81623128

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{248851}}^1$

素因数の和:248898

約数の個数: 16

約数和(自身を含む): 156776760

約数和(自身を除く): 75153632

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 248851, 497702, 995404, 1990808, 10202891, 20405782, 40811564, 81623128]

約数ペア:

[(1, 81623128), (2, 40811564), (4, 20405782), (8, 10202891), (41, 1990808), (82, 995404), (164, 497702), (328, 248851)]