81643804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1855541}}^1$

素因数の和:1855556

約数の個数: 12

約数和(自身を含む): 155865528

約数和(自身を除く): 74221724

約数列:

[1, 2, 4, 11, 22, 44, 1855541, 3711082, 7422164, 20410951, 40821902, 81643804]

約数ペア:

[(1, 81643804), (2, 40821902), (4, 20410951), (11, 7422164), (22, 3711082), (44, 1855541)]