87421790

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{53633}}^1$

素因数の和:53803

約数の個数: 16

約数和(自身を含む): 158327568

約数和(自身を除く): 70905778

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 53633, 107266, 268165, 536330, 8742179, 17484358, 43710895, 87421790]

約数ペア:

[(1, 87421790), (2, 43710895), (5, 17484358), (10, 8742179), (163, 536330), (326, 268165), (815, 107266), (1630, 53633)]