397901845

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{241}}^1\times {\mathrm{2729}}^1$

素因数の和:2997

約数の個数: 24

約数和(自身を含む): 527206680

約数和(自身を除く): 129304835

約数列:

[1, 5, 11, 55, 121, 241, 605, 1205, 2651, 2729, 13255, 13645, 29161, 30019, 145805, 150095, 330209, 657689, 1651045, 3288445, 7234579, 36172895, 79580369, 397901845]

約数ペア:

[(1, 397901845), (5, 79580369), (11, 36172895), (55, 7234579), (121, 3288445), (241, 1651045), (605, 657689), (1205, 330209), (2651, 150095), (2729, 145805), (13255, 30019), (13645, 29161)]