7131719215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{421621}}^1$

素因数の和:421842

約数の個数: 16

約数和(自身を含む): 9107035200

約数和(自身を除く): 1975315985

約数列:

[1, 5, 17, 85, 199, 995, 3383, 16915, 421621, 2108105, 7167557, 35837785, 83902579, 419512895, 1426343843, 7131719215]

約数ペア:

[(1, 7131719215), (5, 1426343843), (17, 419512895), (85, 83902579), (199, 35837785), (995, 7167557), (3383, 2108105), (16915, 421621)]