12826775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:731

約数の個数: 24

約数和(自身を含む): 17436384

約数和(自身を除く): 4609609

約数列:

[1, 5, 13, 25, 61, 65, 305, 325, 647, 793, 1525, 3235, 3965, 8411, 16175, 19825, 39467, 42055, 197335, 210275, 513071, 986675, 2565355, 12826775]

約数ペア:

[(1, 12826775), (5, 2565355), (13, 986675), (25, 513071), (61, 210275), (65, 197335), (305, 42055), (325, 39467), (647, 19825), (793, 16175), (1525, 8411), (3235, 3965)]