891286

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:180

約数の個数: 24

約数和(自身を含む): 1532160

約数和(自身を除く): 640874

約数列:

[1, 2, 11, 22, 29, 58, 121, 127, 242, 254, 319, 638, 1397, 2794, 3509, 3683, 7018, 7366, 15367, 30734, 40513, 81026, 445643, 891286]

約数ペア:

[(1, 891286), (2, 445643), (11, 81026), (22, 40513), (29, 30734), (58, 15367), (121, 7366), (127, 7018), (242, 3683), (254, 3509), (319, 2794), (638, 1397)]