72604025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{773}}^1$

素因数の和:830

約数の個数: 36

約数和(自身を含む): 103126212

約数和(自身を除く): 30522187

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 289, 325, 425, 773, 1105, 1445, 3757, 3865, 5525, 7225, 10049, 13141, 18785, 19325, 50245, 65705, 93925, 170833, 223397, 251225, 328525, 854165, 1116985, 2904161, 4270825, 5584925, 14520805, 72604025]

約数ペア:

[(1, 72604025), (5, 14520805), (13, 5584925), (17, 4270825), (25, 2904161), (65, 1116985), (85, 854165), (221, 328525), (289, 251225), (325, 223397), (425, 170833), (773, 93925), (1105, 65705), (1445, 50245), (3757, 19325), (3865, 18785), (5525, 13141), (7225, 10049)]