316218370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{14923}}^1$

素因数の和:15106

約数の個数: 32

約数和(自身を含む): 616779072

約数和(自身を除く): 300560702

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 163, 326, 815, 1630, 2119, 4238, 10595, 14923, 21190, 29846, 74615, 149230, 193999, 387998, 969995, 1939990, 2432449, 4864898, 12162245, 24324490, 31621837, 63243674, 158109185, 316218370]

約数ペア:

[(1, 316218370), (2, 158109185), (5, 63243674), (10, 31621837), (13, 24324490), (26, 12162245), (65, 4864898), (130, 2432449), (163, 1939990), (326, 969995), (815, 387998), (1630, 193999), (2119, 149230), (4238, 74615), (10595, 29846), (14923, 21190)]