49985015

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^2\times {\mathrm{131}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 64964592

約数和(自身を除く): 14979577

約数列:

[1, 5, 17, 67, 85, 131, 335, 655, 1139, 2227, 4489, 5695, 8777, 11135, 22445, 43885, 76313, 149209, 381565, 588059, 746045, 2940295, 9997003, 49985015]

約数ペア:

[(1, 49985015), (5, 9997003), (17, 2940295), (67, 746045), (85, 588059), (131, 381565), (335, 149209), (655, 76313), (1139, 43885), (2227, 22445), (4489, 11135), (5695, 8777)]