78747086

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{17987}}^1$

素因数の和:18199

約数の個数: 16

約数和(自身を含む): 129513600

約数和(自身を除く): 50766514

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4378, 17987, 35974, 197857, 395714, 3579413, 7158826, 39373543, 78747086]

約数ペア:

[(1, 78747086), (2, 39373543), (11, 7158826), (22, 3579413), (199, 395714), (398, 197857), (2189, 35974), (4378, 17987)]