81665208

素因数分解:

$2^3\times 3^2\times {\mathrm{1134239}}^1$

素因数の和:1134251

約数の個数: 24

約数和(自身を含む): 221176800

約数和(自身を除く): 139511592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1134239, 2268478, 3402717, 4536956, 6805434, 9073912, 10208151, 13610868, 20416302, 27221736, 40832604, 81665208]

約数ペア:

[(1, 81665208), (2, 40832604), (3, 27221736), (4, 20416302), (6, 13610868), (8, 10208151), (9, 9073912), (12, 6805434), (18, 4536956), (24, 3402717), (36, 2268478), (72, 1134239)]