56415778

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{1999}}^1$

素因数の和:2241

約数の個数: 16

約数和(自身を含む): 86112000

約数和(自身を除く): 29696222

約数列:

[1, 2, 103, 137, 206, 274, 1999, 3998, 14111, 28222, 205897, 273863, 411794, 547726, 28207889, 56415778]

約数ペア:

[(1, 56415778), (2, 28207889), (103, 547726), (137, 411794), (206, 273863), (274, 205897), (1999, 28222), (3998, 14111)]