397491157

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{4019}}^1$

素因数の和:4296

約数の個数: 16

約数和(自身を含む): 463104000

約数和(自身を除く): 65612843

約数列:

[1, 7, 71, 199, 497, 1393, 4019, 14129, 28133, 98903, 285349, 799781, 1997443, 5598467, 56784451, 397491157]

約数ペア:

[(1, 397491157), (7, 56784451), (71, 5598467), (199, 1997443), (497, 799781), (1393, 285349), (4019, 98903), (14129, 28133)]