8315128

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 16193520

約数和(自身を除く): 7878392

約数列:

[1, 2, 4, 8, 41, 82, 101, 164, 202, 251, 328, 404, 502, 808, 1004, 2008, 4141, 8282, 10291, 16564, 20582, 25351, 33128, 41164, 50702, 82328, 101404, 202808, 1039391, 2078782, 4157564, 8315128]

約数ペア:

[(1, 8315128), (2, 4157564), (4, 2078782), (8, 1039391), (41, 202808), (82, 101404), (101, 82328), (164, 50702), (202, 41164), (251, 33128), (328, 25351), (404, 20582), (502, 16564), (808, 10291), (1004, 8282), (2008, 4141)]