2493985

素因数分解:

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

素因数の和:133

約数の個数: 32

約数和(自身を含む): 3562272

約数和(自身を除く): 1068287

約数列:

[1, 5, 13, 17, 37, 61, 65, 85, 185, 221, 305, 481, 629, 793, 1037, 1105, 2257, 2405, 3145, 3965, 5185, 8177, 11285, 13481, 29341, 38369, 40885, 67405, 146705, 191845, 498797, 2493985]

約数ペア:

[(1, 2493985), (5, 498797), (13, 191845), (17, 146705), (37, 67405), (61, 40885), (65, 38369), (85, 29341), (185, 13481), (221, 11285), (305, 8177), (481, 5185), (629, 3965), (793, 3145), (1037, 2405), (1105, 2257)]