218210465

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{19937}}^1$

素因数の和:20152

約数の個数: 16

約数和(自身を含む): 287107200

約数和(自身を除く): 68896735

約数列:

[1, 5, 11, 55, 199, 995, 2189, 10945, 19937, 99685, 219307, 1096535, 3967463, 19837315, 43642093, 218210465]

約数ペア:

[(1, 218210465), (5, 43642093), (11, 19837315), (55, 3967463), (199, 1096535), (995, 219307), (2189, 99685), (10945, 19937)]