131315428

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{211}}^1\times {\mathrm{991}}^1$

素因数の和:1363

約数の個数: 24

約数和(自身を含む): 232596224

約数和(自身を除く): 101280796

約数列:

[1, 2, 4, 157, 211, 314, 422, 628, 844, 991, 1982, 3964, 33127, 66254, 132508, 155587, 209101, 311174, 418202, 622348, 836404, 32828857, 65657714, 131315428]

約数ペア:

[(1, 131315428), (2, 65657714), (4, 32828857), (157, 836404), (211, 622348), (314, 418202), (422, 311174), (628, 209101), (844, 155587), (991, 132508), (1982, 66254), (3964, 33127)]