17018281

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{643}}^1$

素因数の和:868

約数の個数: 16

約数和(自身を含む): 20608000

約数和(自身を除く): 3589719

約数列:

[1, 7, 19, 133, 199, 643, 1393, 3781, 4501, 12217, 26467, 85519, 127957, 895699, 2431183, 17018281]

約数ペア:

[(1, 17018281), (7, 2431183), (19, 895699), (133, 127957), (199, 85519), (643, 26467), (1393, 12217), (3781, 4501)]