201989887

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1\times {\mathrm{1747}}^1$

素因数の和:2238

約数の個数: 16

約数和(自身を含む): 230568192

約数和(自身を除く): 28578305

約数列:

[1, 11, 23, 253, 457, 1747, 5027, 10511, 19217, 40181, 115621, 441991, 798379, 8782169, 18362717, 201989887]

約数ペア:

[(1, 201989887), (11, 18362717), (23, 8782169), (253, 798379), (457, 441991), (1747, 115621), (5027, 40181), (10511, 19217)]