490859774489

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{3607}}^1\times {\mathrm{318701}}^1$

素因数の和:322376

約数の個数: 16

約数和(自身を含む): 570338900736

約数和(自身を除く): 79479126247

約数列:

[1, 7, 61, 427, 3607, 25249, 220027, 318701, 1540189, 2230907, 19440761, 136085327, 1149554507, 8046881549, 70122824927, 490859774489]

約数ペア:

[(1, 490859774489), (7, 70122824927), (61, 8046881549), (427, 1149554507), (3607, 136085327), (25249, 19440761), (220027, 2230907), (318701, 1540189)]