31261439

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 36771840

約数和(自身を除く): 5510401

約数列:

[1, 11, 23, 47, 121, 239, 253, 517, 1081, 2629, 2783, 5497, 5687, 11233, 11891, 28919, 60467, 123563, 130801, 258359, 665137, 1359193, 2841949, 31261439]

約数ペア:

[(1, 31261439), (11, 2841949), (23, 1359193), (47, 665137), (121, 258359), (239, 130801), (253, 123563), (517, 60467), (1081, 28919), (2629, 11891), (2783, 11233), (5497, 5687)]