81720104

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{444131}}^1$

素因数の和:444160

約数の個数: 16

約数和(自身を含む): 159887520

約数和(自身を除く): 78167416

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 444131, 888262, 1776524, 3553048, 10215013, 20430026, 40860052, 81720104]

約数ペア:

[(1, 81720104), (2, 40860052), (4, 20430026), (8, 10215013), (23, 3553048), (46, 1776524), (92, 888262), (184, 444131)]