27978742

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{2441}}^1$

素因数の和:2975

約数の個数: 16

約数和(自身を含む): 45890064

約数和(自身を除く): 17911322

約数列:

[1, 2, 11, 22, 521, 1042, 2441, 4882, 5731, 11462, 26851, 53702, 1271761, 2543522, 13989371, 27978742]

約数ペア:

[(1, 27978742), (2, 13989371), (11, 2543522), (22, 1271761), (521, 53702), (1042, 26851), (2441, 11462), (4882, 5731)]