66708025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{431}}^1$

素因数の和:633

約数の個数: 24

約数和(自身を含む): 85494528

約数和(自身を除く): 18786503

約数列:

[1, 5, 25, 41, 151, 205, 431, 755, 1025, 2155, 3775, 6191, 10775, 17671, 30955, 65081, 88355, 154775, 325405, 441775, 1627025, 2668321, 13341605, 66708025]

約数ペア:

[(1, 66708025), (5, 13341605), (25, 2668321), (41, 1627025), (151, 441775), (205, 325405), (431, 154775), (755, 88355), (1025, 65081), (2155, 30955), (3775, 17671), (6191, 10775)]