71420830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{549391}}^1$

素因数の和:549411

約数の個数: 16

約数和(自身を含む): 138446784

約数和(自身を除く): 67025954

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 549391, 1098782, 2746955, 5493910, 7142083, 14284166, 35710415, 71420830]

約数ペア:

[(1, 71420830), (2, 35710415), (5, 14284166), (10, 7142083), (13, 5493910), (26, 2746955), (65, 1098782), (130, 549391)]