No, in this context (the listing) it is not seperable.
Note: in the context of grip (e.g. in climbing) umfassen is seperable, see https://de.wiktionary.org/wiki/umfassen
Edit:
As user unknown pointed out: if umfassen is used to describe an activity then it’s seperable.
- etwas anders anfassen:
Er fasste um, da seine Hand begann weh zu tun.
He had to change grip as his hand began to hurt.
- etwas umfassen (lassen):
Der Juwelier fasste den Juwel um. (see also Part B)
The jeweller changed the setting of the jewel
In my experience the seperable form of umfassen is rather rare used for daily use. Especially the #2 from above since it’s only valid in the context of jewellery.
If umfassen is used to describe a state (e.g. to list something) then it is not seperaple:
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Sein Aufgabenbereich umfasst unter anderem (…)
Its remit includes the following (…)
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Diese umfassen die Prinzipien der Charta der Grundrechte der Europäischen Union, den Schutz der menschlichen Würde und (…)
These include the principles reflected in the Charter of Fundamental Rights of the European Union, protection of human dignity and (…)
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Zahlreiche Gärten umfassen das Schloss.
Numerous gardens comprises the castle.