201218452

素因数分解:

$2^2\times {\mathrm{199}}^1\times {\mathrm{449}}^1\times {\mathrm{563}}^1$

素因数の和:1215

約数の個数: 24

約数和(自身を含む): 355320000

約数和(自身を除く): 154101548

約数列:

[1, 2, 4, 199, 398, 449, 563, 796, 898, 1126, 1796, 2252, 89351, 112037, 178702, 224074, 252787, 357404, 448148, 505574, 1011148, 50304613, 100609226, 201218452]

約数ペア:

[(1, 201218452), (2, 100609226), (4, 50304613), (199, 1011148), (398, 505574), (449, 448148), (563, 357404), (796, 252787), (898, 224074), (1126, 178702), (1796, 112037), (2252, 89351)]