80842228

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{239}}^1\times {\mathrm{821}}^1$

素因数の和:1167

約数の個数: 24

約数和(自身を含む): 143619840

約数和(自身を除く): 62777612

約数列:

[1, 2, 4, 103, 206, 239, 412, 478, 821, 956, 1642, 3284, 24617, 49234, 84563, 98468, 169126, 196219, 338252, 392438, 784876, 20210557, 40421114, 80842228]

約数ペア:

[(1, 80842228), (2, 40421114), (4, 20210557), (103, 784876), (206, 392438), (239, 338252), (412, 196219), (478, 169126), (821, 98468), (956, 84563), (1642, 49234), (3284, 24617)]