213882215

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{4999}}^1$

素因数の和:5246

約数の個数: 16

約数和(自身を含む): 264000000

約数和(自身を除く): 50117785

約数列:

[1, 5, 43, 199, 215, 995, 4999, 8557, 24995, 42785, 214957, 994801, 1074785, 4974005, 42776443, 213882215]

約数ペア:

[(1, 213882215), (5, 42776443), (43, 4974005), (199, 1074785), (215, 994801), (995, 214957), (4999, 42785), (8557, 24995)]