256947925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41611}}^1$

素因数の和:41653

約数の個数: 24

約数和(自身を含む): 361192160

約数和(自身を除く): 104244235

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 1235, 6175, 41611, 208055, 540943, 790609, 1040275, 2704715, 3953045, 10277917, 13523575, 19765225, 51389585, 256947925]

約数ペア:

[(1, 256947925), (5, 51389585), (13, 19765225), (19, 13523575), (25, 10277917), (65, 3953045), (95, 2704715), (247, 1040275), (325, 790609), (475, 540943), (1235, 208055), (6175, 41611)]