9996964

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{661}}^1$

素因数の和:883

約数の個数: 24

約数和(自身を含む): 18536000

約数和(自身を除く): 8539036

約数列:

[1, 2, 4, 19, 38, 76, 199, 398, 661, 796, 1322, 2644, 3781, 7562, 12559, 15124, 25118, 50236, 131539, 263078, 526156, 2499241, 4998482, 9996964]

約数ペア:

[(1, 9996964), (2, 4998482), (4, 2499241), (19, 526156), (38, 263078), (76, 131539), (199, 50236), (398, 25118), (661, 15124), (796, 12559), (1322, 7562), (2644, 3781)]