220597844

素因数分解:

$2^2\times {\mathrm{223}}^2\times {\mathrm{1109}}^1$

素因数の和:1559

約数の個数: 18

約数和(自身を含む): 388134810

約数和(自身を除く): 167536966

約数列:

[1, 2, 4, 223, 446, 892, 1109, 2218, 4436, 49729, 99458, 198916, 247307, 494614, 989228, 55149461, 110298922, 220597844]

約数ペア:

[(1, 220597844), (2, 110298922), (4, 55149461), (223, 989228), (446, 494614), (892, 247307), (1109, 198916), (2218, 99458), (4436, 49729)]