81528788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1277}}^1\times {\mathrm{1451}}^1$

素因数の和:2743

約数の個数: 24

約数和(自身を含む): 155875104

約数和(自身を除く): 74346316

約数列:

[1, 2, 4, 11, 22, 44, 1277, 1451, 2554, 2902, 5108, 5804, 14047, 15961, 28094, 31922, 56188, 63844, 1852927, 3705854, 7411708, 20382197, 40764394, 81528788]

約数ペア:

[(1, 81528788), (2, 40764394), (4, 20382197), (11, 7411708), (22, 3705854), (44, 1852927), (1277, 63844), (1451, 56188), (2554, 31922), (2902, 28094), (5108, 15961), (5804, 14047)]