403729820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1552807}}^1$

素因数の和:1552829

約数の個数: 24

約数和(自身を含む): 913051104

約数和(自身を除く): 509321284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1552807, 3105614, 6211228, 7764035, 15528070, 20186491, 31056140, 40372982, 80745964, 100932455, 201864910, 403729820]

約数ペア:

[(1, 403729820), (2, 201864910), (4, 100932455), (5, 80745964), (10, 40372982), (13, 31056140), (20, 20186491), (26, 15528070), (52, 7764035), (65, 6211228), (130, 3105614), (260, 1552807)]