2657525

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 36

約数和(自身を含む): 3880332

約数和(自身を除く): 1222807

約数列:

[1, 5, 13, 17, 25, 37, 65, 85, 169, 185, 221, 325, 425, 481, 629, 845, 925, 1105, 2405, 2873, 3145, 4225, 5525, 6253, 8177, 12025, 14365, 15725, 31265, 40885, 71825, 106301, 156325, 204425, 531505, 2657525]

約数ペア:

[(1, 2657525), (5, 531505), (13, 204425), (17, 156325), (25, 106301), (37, 71825), (65, 40885), (85, 31265), (169, 15725), (185, 14365), (221, 12025), (325, 8177), (425, 6253), (481, 5525), (629, 4225), (845, 3145), (925, 2873), (1105, 2405)]