661216812

素因数分解:

$2^2\times 3^1\times {\mathrm{55101401}}^1$

素因数の和:55101408

約数の個数: 12

約数和(自身を含む): 1542839256

約数和(自身を除く): 881622444

約数列:

[1, 2, 3, 4, 6, 12, 55101401, 110202802, 165304203, 220405604, 330608406, 661216812]

約数ペア:

[(1, 661216812), (2, 330608406), (3, 220405604), (4, 165304203), (6, 110202802), (12, 55101401)]