« Vrati se
For any positive integer n, let \tau (n) denote the number of its positive divisors (including 1 and itself). Determine all positive integers m for which there exists a positive integer n such that \frac{\tau (n^{2})}{\tau (n)}=m.

Slični zadaci

#NaslovOznakeRj.KvalitetaTežina
2289IMO Shortlist 2008 problem N65
2262IMO Shortlist 2007 problem N69
2174IMO Shortlist 2004 problem N54
2144IMO Shortlist 2003 problem N64
2119IMO Shortlist 2002 problem N63
1896IMO Shortlist 1994 problem N51