12678985

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1103}}^1$

素因数の和:1149

約数の個数: 24

約数和(自身を含む): 17619840

約数和(自身を除く): 4940855

約数列:

[1, 5, 11, 19, 55, 95, 121, 209, 605, 1045, 1103, 2299, 5515, 11495, 12133, 20957, 60665, 104785, 133463, 230527, 667315, 1152635, 2535797, 12678985]

約数ペア:

[(1, 12678985), (5, 2535797), (11, 1152635), (19, 667315), (55, 230527), (95, 133463), (121, 104785), (209, 60665), (605, 20957), (1045, 12133), (1103, 11495), (2299, 5515)]