2171578129

素因数分解:

$7^2\times {\mathrm{191}}^1\times {\mathrm{331}}^1\times {\mathrm{701}}^1$

素因数の和:1237

約数の個数: 24

約数和(自身を含む): 2550652416

約数和(自身を除く): 379074287

約数列:

[1, 7, 49, 191, 331, 701, 1337, 2317, 4907, 9359, 16219, 34349, 63221, 133891, 232031, 442547, 937237, 1624217, 3097829, 6560659, 11369519, 44317921, 310225447, 2171578129]

約数ペア:

[(1, 2171578129), (7, 310225447), (49, 44317921), (191, 11369519), (331, 6560659), (701, 3097829), (1337, 1624217), (2317, 937237), (4907, 442547), (9359, 232031), (16219, 133891), (34349, 63221)]