90857015

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 118457856

約数和(自身を除く): 27600841

約数列:

[1, 5, 23, 37, 115, 131, 163, 185, 655, 815, 851, 3013, 3749, 4255, 4847, 6031, 15065, 18745, 21353, 24235, 30155, 106765, 111481, 138713, 491119, 557405, 693565, 790061, 2455595, 3950305, 18171403, 90857015]

約数ペア:

[(1, 90857015), (5, 18171403), (23, 3950305), (37, 2455595), (115, 790061), (131, 693565), (163, 557405), (185, 491119), (655, 138713), (815, 111481), (851, 106765), (3013, 30155), (3749, 24235), (4255, 21353), (4847, 18745), (6031, 15065)]