257027922

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{180751}}^1$

素因数の和:180838

約数の個数: 24

約数和(自身を含む): 563946240

約数和(自身を除く): 306918318

約数列:

[1, 2, 3, 6, 9, 18, 79, 158, 237, 474, 711, 1422, 180751, 361502, 542253, 1084506, 1626759, 3253518, 14279329, 28558658, 42837987, 85675974, 128513961, 257027922]

約数ペア:

[(1, 257027922), (2, 128513961), (3, 85675974), (6, 42837987), (9, 28558658), (18, 14279329), (79, 3253518), (158, 1626759), (237, 1084506), (474, 542253), (711, 361502), (1422, 180751)]