640787953

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1279}}^1\times {\mathrm{2267}}^1$

素因数の和:3576

約数の個数: 16

約数和(自身を含む): 731566080

約数和(自身を除く): 90778127

約数列:

[1, 13, 17, 221, 1279, 2267, 16627, 21743, 29471, 38539, 282659, 501007, 2899493, 37693409, 49291381, 640787953]

約数ペア:

[(1, 640787953), (13, 49291381), (17, 37693409), (221, 2899493), (1279, 501007), (2267, 282659), (16627, 38539), (21743, 29471)]