12871826

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{1123}}^1$

素因数の和:1657

約数の個数: 16

約数和(自身を含む): 21122208

約数和(自身を除く): 8250382

約数列:

[1, 2, 11, 22, 521, 1042, 1123, 2246, 5731, 11462, 12353, 24706, 585083, 1170166, 6435913, 12871826]

約数ペア:

[(1, 12871826), (2, 6435913), (11, 1170166), (22, 585083), (521, 24706), (1042, 12353), (1123, 11462), (2246, 5731)]