12638405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1531}}^1$

素因数の和:1676

約数の個数: 16

約数和(自身を含む): 16472064

約数和(自身を除く): 3833659

約数列:

[1, 5, 13, 65, 127, 635, 1531, 1651, 7655, 8255, 19903, 99515, 194437, 972185, 2527681, 12638405]

約数ペア:

[(1, 12638405), (5, 2527681), (13, 972185), (65, 194437), (127, 99515), (635, 19903), (1531, 8255), (1651, 7655)]