16669919

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:470

約数の個数: 16

約数和(自身を含む): 19568640

約数和(自身を除く): 2898721

約数列:

[1, 7, 59, 181, 223, 413, 1267, 1561, 10679, 13157, 40363, 74753, 92099, 282541, 2381417, 16669919]

約数ペア:

[(1, 16669919), (7, 2381417), (59, 282541), (181, 92099), (223, 74753), (413, 40363), (1267, 13157), (1561, 10679)]