66631825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3361}}^1$

素因数の和:3445

約数の個数: 24

約数和(自身を含む): 90464696

約数和(自身を除く): 23832871

約数列:

[1, 5, 13, 25, 61, 65, 305, 325, 793, 1525, 3361, 3965, 16805, 19825, 43693, 84025, 205021, 218465, 1025105, 1092325, 2665273, 5125525, 13326365, 66631825]

約数ペア:

[(1, 66631825), (5, 13326365), (13, 5125525), (25, 2665273), (61, 1092325), (65, 1025105), (305, 218465), (325, 205021), (793, 84025), (1525, 43693), (3361, 19825), (3965, 16805)]