2543138087

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{406837}}^1$

素因数の和:406910

約数の個数: 16

約数和(自身を含む): 3124515840

約数和(自身を除く): 581377753

約数列:

[1, 7, 19, 47, 133, 329, 893, 6251, 406837, 2847859, 7729903, 19121339, 54109321, 133849373, 363305441, 2543138087]

約数ペア:

[(1, 2543138087), (7, 363305441), (19, 133849373), (47, 54109321), (133, 19121339), (329, 7729903), (893, 2847859), (6251, 406837)]