13280305

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1$

素因数の和:456

約数の個数: 16

約数和(自身を含む): 16308864

約数和(自身を除く): 3028559

約数列:

[1, 5, 103, 107, 241, 515, 535, 1205, 11021, 24823, 25787, 55105, 124115, 128935, 2656061, 13280305]

約数ペア:

[(1, 13280305), (5, 2656061), (103, 128935), (107, 124115), (241, 55105), (515, 25787), (535, 24823), (1205, 11021)]