81381442

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{4799}}^1$

素因数の和:5001

約数の個数: 16

約数和(自身を含む): 124992000

約数和(自身を除く): 43610558

約数列:

[1, 2, 61, 122, 139, 278, 4799, 8479, 9598, 16958, 292739, 585478, 667061, 1334122, 40690721, 81381442]

約数ペア:

[(1, 81381442), (2, 40690721), (61, 1334122), (122, 667061), (139, 585478), (278, 292739), (4799, 16958), (8479, 9598)]