81576056

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{90239}}^1$

素因数の和:90358

約数の個数: 16

約数和(自身を含む): 154310400

約数和(自身を除く): 72734344

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 90239, 180478, 360956, 721912, 10197007, 20394014, 40788028, 81576056]

約数ペア:

[(1, 81576056), (2, 40788028), (4, 20394014), (8, 10197007), (113, 721912), (226, 360956), (452, 180478), (904, 90239)]