31615642

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1\times {\mathrm{499}}^1$

素因数の和:981

約数の個数: 16

約数和(自身を含む): 48240000

約数和(自身を除く): 16624358

約数列:

[1, 2, 79, 158, 401, 499, 802, 998, 31679, 39421, 63358, 78842, 200099, 400198, 15807821, 31615642]

約数ペア:

[(1, 31615642), (2, 15807821), (79, 400198), (158, 200099), (401, 78842), (499, 63358), (802, 39421), (998, 31679)]