90310781

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 109486080

約数和(自身を除く): 19175299

約数列:

[1, 11, 19, 31, 53, 209, 263, 341, 583, 589, 1007, 1643, 2893, 4997, 6479, 8153, 11077, 13939, 18073, 31217, 54967, 89683, 153329, 154907, 264841, 343387, 432109, 1703977, 2913251, 4753199, 8210071, 90310781]

約数ペア:

[(1, 90310781), (11, 8210071), (19, 4753199), (31, 2913251), (53, 1703977), (209, 432109), (263, 343387), (341, 264841), (583, 154907), (589, 153329), (1007, 89683), (1643, 54967), (2893, 31217), (4997, 18073), (6479, 13939), (8153, 11077)]