80872218

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{641843}}^1$

素因数の和:641858

約数の個数: 24

約数和(自身を含む): 200255328

約数和(自身を除く): 119383110

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 641843, 1283686, 1925529, 3851058, 4492901, 5776587, 8985802, 11553174, 13478703, 26957406, 40436109, 80872218]

約数ペア:

[(1, 80872218), (2, 40436109), (3, 26957406), (6, 13478703), (7, 11553174), (9, 8985802), (14, 5776587), (18, 4492901), (21, 3851058), (42, 1925529), (63, 1283686), (126, 641843)]