1657221820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1\times {\mathrm{12263}}^1$

素因数の和:12534

約数の個数: 48

約数和(自身を含む): 3615917760

約数和(自身を除く): 1958695940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 233, 290, 466, 580, 932, 1165, 2330, 4660, 6757, 12263, 13514, 24526, 27028, 33785, 49052, 61315, 67570, 122630, 135140, 245260, 355627, 711254, 1422508, 1778135, 2857279, 3556270, 5714558, 7112540, 11429116, 14286395, 28572790, 57145580, 82861091, 165722182, 331444364, 414305455, 828610910, 1657221820]

約数ペア:

[(1, 1657221820), (2, 828610910), (4, 414305455), (5, 331444364), (10, 165722182), (20, 82861091), (29, 57145580), (58, 28572790), (116, 14286395), (145, 11429116), (233, 7112540), (290, 5714558), (466, 3556270), (580, 2857279), (932, 1778135), (1165, 1422508), (2330, 711254), (4660, 355627), (6757, 245260), (12263, 135140), (13514, 122630), (24526, 67570), (27028, 61315), (33785, 49052)]