81143666

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1\times {\mathrm{1811}}^1$

素因数の和:2377

約数の個数: 16

約数和(自身を含む): 124854048

約数和(自身を除く): 43710382

約数列:

[1, 2, 43, 86, 521, 1042, 1811, 3622, 22403, 44806, 77873, 155746, 943531, 1887062, 40571833, 81143666]

約数ペア:

[(1, 81143666), (2, 40571833), (43, 1887062), (86, 943531), (521, 155746), (1042, 77873), (1811, 44806), (3622, 22403)]