作者Zyca (swun mitru valy)
标题[转录]◇ IMO 竞赛第三题
时间Wed Jan 5 20:25:20 2000
For any positive integer n, let d(n) denote the number of positive divisors
（正因数）of n.(including 1 and n itself)
Determine all positive integers k such that
d(n^2)
------ = k
d(n)
for some n.
--
※ 发信站: 批踢踢实业坊(ptt.twbbs.org)
◆ From: ntucsn.csie.ntu.edu.tw