247748543

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{2897}}^1$

素因数の和:3566

約数の個数: 16

約数和(自身を含む): 298609920

約数和(自身を除く): 50861377

約数列:

[1, 7, 19, 133, 643, 2897, 4501, 12217, 20279, 55043, 85519, 385301, 1862771, 13039397, 35392649, 247748543]

約数ペア:

[(1, 247748543), (7, 35392649), (19, 13039397), (133, 1862771), (643, 385301), (2897, 85519), (4501, 55043), (12217, 20279)]