489780193

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{15287}}^1$

素因数の和:15516

約数の個数: 16

約数和(自身を含む): 587059200

約数和(自身を除く): 97279007

約数列:

[1, 7, 23, 161, 199, 1393, 4577, 15287, 32039, 107009, 351601, 2461207, 3042113, 21294791, 69968599, 489780193]

約数ペア:

[(1, 489780193), (7, 69968599), (23, 21294791), (161, 3042113), (199, 2461207), (1393, 351601), (4577, 107009), (15287, 32039)]