81143564

素因数分解:

$2^2\times {\mathrm{179}}^1\times {\mathrm{113329}}^1$

素因数の和:113512

約数の個数: 12

約数和(自身を含む): 142795800

約数和(自身を除く): 61652236

約数列:

[1, 2, 4, 179, 358, 716, 113329, 226658, 453316, 20285891, 40571782, 81143564]

約数ペア:

[(1, 81143564), (2, 40571782), (4, 20285891), (179, 453316), (358, 226658), (716, 113329)]