8742866

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1997}}^1$

素因数の和:2209

約数の個数: 16

約数和(自身を含む): 14385600

約数和(自身を除く): 5642734

約数列:

[1, 2, 11, 22, 199, 398, 1997, 2189, 3994, 4378, 21967, 43934, 397403, 794806, 4371433, 8742866]

約数ペア:

[(1, 8742866), (2, 4371433), (11, 794806), (22, 397403), (199, 43934), (398, 21967), (1997, 4378), (2189, 3994)]