81423643408

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{45035201}}^1$

素因数の和:45035322

約数の個数: 20

約数和(自身を含む): 159154403868

約数和(自身を除く): 77730760460

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 45035201, 90070402, 180140804, 360281608, 720563216, 5088977713, 10177955426, 20355910852, 40711821704, 81423643408]

約数ペア:

[(1, 81423643408), (2, 40711821704), (4, 20355910852), (8, 10177955426), (16, 5088977713), (113, 720563216), (226, 360281608), (452, 180140804), (904, 90070402), (1808, 45035201)]