1991231462

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{90510521}}^1$

素因数の和:90510534

約数の個数: 8

約数和(自身を含む): 3258378792

約数和(自身を除く): 1267147330

約数列:

[1, 2, 11, 22, 90510521, 181021042, 995615731, 1991231462]

約数ペア:

[(1, 1991231462), (2, 995615731), (11, 181021042), (22, 90510521)]