664547

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:158

約数の個数: 16

約数和(自身を含む): 790272

約数和(自身を除く): 125725

約数列:

[1, 13, 17, 31, 97, 221, 403, 527, 1261, 1649, 3007, 6851, 21437, 39091, 51119, 664547]

約数ペア:

[(1, 664547), (13, 51119), (17, 39091), (31, 21437), (97, 6851), (221, 3007), (403, 1649), (527, 1261)]