13908095

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{521}}^1$

素因数の和:826

約数の個数: 16

約数和(自身を含む): 17664480

約数和(自身を除く): 3756385

約数列:

[1, 5, 19, 95, 281, 521, 1405, 2605, 5339, 9899, 26695, 49495, 146401, 732005, 2781619, 13908095]

約数ペア:

[(1, 13908095), (5, 2781619), (19, 732005), (95, 146401), (281, 49495), (521, 26695), (1405, 9899), (2605, 5339)]