81978788

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{2707}}^1$

素因数の和:2891

約数の個数: 24

約数和(自身を含む): 146946912

約数和(自身を除く): 64968124

約数列:

[1, 2, 4, 67, 113, 134, 226, 268, 452, 2707, 5414, 7571, 10828, 15142, 30284, 181369, 305891, 362738, 611782, 725476, 1223564, 20494697, 40989394, 81978788]

約数ペア:

[(1, 81978788), (2, 40989394), (4, 20494697), (67, 1223564), (113, 725476), (134, 611782), (226, 362738), (268, 305891), (452, 181369), (2707, 30284), (5414, 15142), (7571, 10828)]