72940816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{350677}}^1$

素因数の和:350698

約数の個数: 20

約数和(自身を含む): 152194252

約数和(自身を除く): 79253436

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 350677, 701354, 1402708, 2805416, 4558801, 5610832, 9117602, 18235204, 36470408, 72940816]

約数ペア:

[(1, 72940816), (2, 36470408), (4, 18235204), (8, 9117602), (13, 5610832), (16, 4558801), (26, 2805416), (52, 1402708), (104, 701354), (208, 350677)]