87284186

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{19937}}^1$

素因数の和:20149

約数の個数: 16

約数和(自身を含む): 143553600

約数和(自身を除く): 56269414

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4378, 19937, 39874, 219307, 438614, 3967463, 7934926, 43642093, 87284186]

約数ペア:

[(1, 87284186), (2, 43642093), (11, 7934926), (22, 3967463), (199, 438614), (398, 219307), (2189, 39874), (4378, 19937)]