12469925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 18405072

約数和(自身を除く): 5935147

約数列:

[1, 5, 13, 17, 25, 37, 61, 65, 85, 185, 221, 305, 325, 425, 481, 629, 793, 925, 1037, 1105, 1525, 2257, 2405, 3145, 3965, 5185, 5525, 8177, 11285, 12025, 13481, 15725, 19825, 25925, 29341, 38369, 40885, 56425, 67405, 146705, 191845, 204425, 337025, 498797, 733525, 959225, 2493985, 12469925]

約数ペア:

[(1, 12469925), (5, 2493985), (13, 959225), (17, 733525), (25, 498797), (37, 337025), (61, 204425), (65, 191845), (85, 146705), (185, 67405), (221, 56425), (305, 40885), (325, 38369), (425, 29341), (481, 25925), (629, 19825), (793, 15725), (925, 13481), (1037, 12025), (1105, 11285), (1525, 8177), (2257, 5525), (2405, 5185), (3145, 3965)]