90021218

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{1063}}^1$

素因数の和:1358

約数の個数: 32

約数和(自身を含む): 161796096

約数和(自身を除く): 71774878

約数列:

[1, 2, 7, 14, 23, 46, 161, 263, 322, 526, 1063, 1841, 2126, 3682, 6049, 7441, 12098, 14882, 24449, 42343, 48898, 84686, 171143, 279569, 342286, 559138, 1956983, 3913966, 6430087, 12860174, 45010609, 90021218]

約数ペア:

[(1, 90021218), (2, 45010609), (7, 12860174), (14, 6430087), (23, 3913966), (46, 1956983), (161, 559138), (263, 342286), (322, 279569), (526, 171143), (1063, 84686), (1841, 48898), (2126, 42343), (3682, 24449), (6049, 14882), (7441, 12098)]