28876771

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:463

約数の個数: 24

約数和(自身を含む): 36737792

約数和(自身を除く): 7861021

約数列:

[1, 7, 11, 77, 103, 121, 331, 721, 847, 1133, 2317, 3641, 7931, 12463, 25487, 34093, 40051, 87241, 238651, 280357, 375023, 2625161, 4125253, 28876771]

約数ペア:

[(1, 28876771), (7, 4125253), (11, 2625161), (77, 375023), (103, 280357), (121, 238651), (331, 87241), (721, 40051), (847, 34093), (1133, 25487), (2317, 12463), (3641, 7931)]