81528616

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{1571}}^1$

素因数の和:2089

約数の個数: 32

約数和(自身を含む): 165060000

約数和(自身を除く): 83531384

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 499, 998, 1571, 1996, 3142, 3992, 6284, 6487, 12568, 12974, 20423, 25948, 40846, 51896, 81692, 163384, 783929, 1567858, 3135716, 6271432, 10191077, 20382154, 40764308, 81528616]

約数ペア:

[(1, 81528616), (2, 40764308), (4, 20382154), (8, 10191077), (13, 6271432), (26, 3135716), (52, 1567858), (104, 783929), (499, 163384), (998, 81692), (1571, 51896), (1996, 40846), (3142, 25948), (3992, 20423), (6284, 12974), (6487, 12568)]