64997288

素因数分解:

$2^3\times {\mathrm{401}}^1\times {\mathrm{20261}}^1$

素因数の和:20668

約数の個数: 16

約数和(自身を含む): 122179860

約数和(自身を除く): 57182572

約数列:

[1, 2, 4, 8, 401, 802, 1604, 3208, 20261, 40522, 81044, 162088, 8124661, 16249322, 32498644, 64997288]

約数ペア:

[(1, 64997288), (2, 32498644), (4, 16249322), (8, 8124661), (401, 162088), (802, 81044), (1604, 40522), (3208, 20261)]