678792818

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{1103}}^1\times {\mathrm{2543}}^1$

素因数の和:3670

約数の個数: 24

約数和(自身を含む): 1120621824

約数和(自身を除く): 441829006

約数列:

[1, 2, 11, 22, 121, 242, 1103, 2206, 2543, 5086, 12133, 24266, 27973, 55946, 133463, 266926, 307703, 615406, 2804929, 5609858, 30854219, 61708438, 339396409, 678792818]

約数ペア:

[(1, 678792818), (2, 339396409), (11, 61708438), (22, 30854219), (121, 5609858), (242, 2804929), (1103, 615406), (2206, 307703), (2543, 266926), (5086, 133463), (12133, 55946), (24266, 27973)]