156905496548

素因数分解:

$2^2\times {\mathrm{43}}^2\times {\mathrm{21214913}}^1$

素因数の和:21215003

約数の個数: 18

約数和(自身を含む): 281118825414

約数和(自身を除く): 124213328866

約数列:

[1, 2, 4, 43, 86, 172, 1849, 3698, 7396, 21214913, 42429826, 84859652, 912241259, 1824482518, 3648965036, 39226374137, 78452748274, 156905496548]

約数ペア:

[(1, 156905496548), (2, 78452748274), (4, 39226374137), (43, 3648965036), (86, 1824482518), (172, 912241259), (1849, 84859652), (3698, 42429826), (7396, 21214913)]