638289316

素因数分解:

$2^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{114553}}^1$

素因数の和:114763

約数の個数: 24

約数和(自身を含む): 1283004800

約数和(自身を除く): 644715484

約数列:

[1, 2, 4, 7, 14, 28, 199, 398, 796, 1393, 2786, 5572, 114553, 229106, 458212, 801871, 1603742, 3207484, 22796047, 45592094, 91184188, 159572329, 319144658, 638289316]

約数ペア:

[(1, 638289316), (2, 319144658), (4, 159572329), (7, 91184188), (14, 45592094), (28, 22796047), (199, 3207484), (398, 1603742), (796, 801871), (1393, 458212), (2786, 229106), (5572, 114553)]