221420534

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1\times {\mathrm{7621}}^1$

素因数の和:7895

約数の個数: 16

約数和(自身を含む): 338416800

約数和(自身を除く): 116996266

約数列:

[1, 2, 73, 146, 199, 398, 7621, 14527, 15242, 29054, 556333, 1112666, 1516579, 3033158, 110710267, 221420534]

約数ペア:

[(1, 221420534), (2, 110710267), (73, 3033158), (146, 1516579), (199, 1112666), (398, 556333), (7621, 29054), (14527, 15242)]