Difference between revisions of "1998 IMO Shortlist Problems/N6"
(Created page with "For any positive integer <math>n</math>, let <math>d(n)</math> denote the number of positive divisors of <math>n</math> (including <math>1</math> and <math>n</math>). Determine a...") |
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Latest revision as of 04:27, 16 August 2011
For any positive integer 
, let 
denote the number of positive divisors of (including 
and ). Determine all positive integers 
such that 
for some .
