964405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:456

約数の個数: 16

約数和(自身を含む): 1283184

約数和(自身を除く): 318779

約数列:

[1, 5, 13, 37, 65, 185, 401, 481, 2005, 2405, 5213, 14837, 26065, 74185, 192881, 964405]

約数ペア:

[(1, 964405), (5, 192881), (13, 74185), (37, 26065), (65, 14837), (185, 5213), (401, 2405), (481, 2005)]