81424816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{462641}}^1$

素因数の和:462660

約数の個数: 20

約数和(自身を含む): 172102824

約数和(自身を除く): 90678008

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 462641, 925282, 1850564, 3701128, 5089051, 7402256, 10178102, 20356204, 40712408, 81424816]

約数ペア:

[(1, 81424816), (2, 40712408), (4, 20356204), (8, 10178102), (11, 7402256), (16, 5089051), (22, 3701128), (44, 1850564), (88, 925282), (176, 462641)]