205985207615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{321227}}^1$

素因数の和:321463

約数の個数: 32

約数和(自身を含む): 274765582080

約数和(自身を除く): 68780374465

約数列:

[1, 5, 11, 55, 89, 131, 445, 655, 979, 1441, 4895, 7205, 11659, 58295, 128249, 321227, 641245, 1606135, 3533497, 17667485, 28589203, 42080737, 142946015, 210403685, 314481233, 462888107, 1572406165, 2314440535, 3745185593, 18725927965, 41197041523, 205985207615]

約数ペア:

[(1, 205985207615), (5, 41197041523), (11, 18725927965), (55, 3745185593), (89, 2314440535), (131, 1572406165), (445, 462888107), (655, 314481233), (979, 210403685), (1441, 142946015), (4895, 42080737), (7205, 28589203), (11659, 17667485), (58295, 3533497), (128249, 1606135), (321227, 641245)]