90131816

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{71761}}^1$

素因数の和:71924

約数の個数: 16

約数和(自身を含む): 170075940

約数和(自身を除く): 79944124

約数列:

[1, 2, 4, 8, 157, 314, 628, 1256, 71761, 143522, 287044, 574088, 11266477, 22532954, 45065908, 90131816]

約数ペア:

[(1, 90131816), (2, 45065908), (4, 22532954), (8, 11266477), (157, 574088), (314, 287044), (628, 143522), (1256, 71761)]