Russian Air Force numbers and procurement plans

Why do you think I can answer that question?

The R-37M is already in use on the MiG-31 in PVO units, it would be no huge surprise for them to get a few extra missiles for Su-35 and Su-57 use against enemy AWACS and JSTARS aircraft.

I would think such information is rather strictly limited as access to certain missiles would be highly dangerous... specifically MANPADS and ATGMs which have become rather potent.