2149257103

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{218843}}^1$

素因数の和:218934

約数の個数: 16

約数和(自身を含む): 2605118976

約数和(自身を除く): 455861873

約数列:

[1, 7, 23, 61, 161, 427, 1403, 9821, 218843, 1531901, 5033389, 13349423, 35233723, 93445961, 307036729, 2149257103]

約数ペア:

[(1, 2149257103), (7, 307036729), (23, 93445961), (61, 35233723), (161, 13349423), (427, 5033389), (1403, 1531901), (9821, 218843)]