8668390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:528

約数の個数: 32

約数和(自身を含む): 16407360

約数和(自身を除く): 7738970

約数列:

[1, 2, 5, 10, 29, 58, 71, 142, 145, 290, 355, 421, 710, 842, 2059, 2105, 4118, 4210, 10295, 12209, 20590, 24418, 29891, 59782, 61045, 122090, 149455, 298910, 866839, 1733678, 4334195, 8668390]

約数ペア:

[(1, 8668390), (2, 4334195), (5, 1733678), (10, 866839), (29, 298910), (58, 149455), (71, 122090), (142, 61045), (145, 59782), (290, 29891), (355, 24418), (421, 20590), (710, 12209), (842, 10295), (2059, 4210), (2105, 4118)]