205536155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 274752000

約数和(自身を除く): 69215845

約数列:

[1, 5, 11, 55, 89, 199, 211, 445, 979, 995, 1055, 2189, 2321, 4895, 10945, 11605, 17711, 18779, 41989, 88555, 93895, 194821, 206569, 209945, 461879, 974105, 1032845, 2309395, 3737021, 18685105, 41107231, 205536155]

約数ペア:

[(1, 205536155), (5, 41107231), (11, 18685105), (55, 3737021), (89, 2309395), (199, 1032845), (211, 974105), (445, 461879), (979, 209945), (995, 206569), (1055, 194821), (2189, 93895), (2321, 88555), (4895, 41989), (10945, 18779), (11605, 17711)]