90905008

素因数分解:

$2^4\times {\mathrm{293}}^1\times {\mathrm{19391}}^1$

素因数の和:19692

約数の個数: 20

約数和(自身を含む): 176738688

約数和(自身を除く): 85833680

約数列:

[1, 2, 4, 8, 16, 293, 586, 1172, 2344, 4688, 19391, 38782, 77564, 155128, 310256, 5681563, 11363126, 22726252, 45452504, 90905008]

約数ペア:

[(1, 90905008), (2, 45452504), (4, 22726252), (8, 11363126), (16, 5681563), (293, 310256), (586, 155128), (1172, 77564), (2344, 38782), (4688, 19391)]