90878005

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{719}}^1\times {\mathrm{1487}}^1$

素因数の和:2228

約数の個数: 16

約数和(自身を含む): 115706880

約数和(自身を除く): 24828875

約数列:

[1, 5, 17, 85, 719, 1487, 3595, 7435, 12223, 25279, 61115, 126395, 1069153, 5345765, 18175601, 90878005]

約数ペア:

[(1, 90878005), (5, 18175601), (17, 5345765), (85, 1069153), (719, 126395), (1487, 61115), (3595, 25279), (7435, 12223)]