201217855

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{4703}}^1$

素因数の和:4950

約数の個数: 16

約数和(自身を含む): 248371200

約数和(自身を除く): 47153345

約数列:

[1, 5, 43, 199, 215, 995, 4703, 8557, 23515, 42785, 202229, 935897, 1011145, 4679485, 40243571, 201217855]

約数ペア:

[(1, 201217855), (5, 40243571), (43, 4679485), (199, 1011145), (215, 935897), (995, 202229), (4703, 42785), (8557, 23515)]