128542302895

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{277}}^1\times {\mathrm{321143}}^1$

素因数の和:321459

約数の個数: 24

約数和(自身を含む): 164450134944

約数和(自身を除く): 35907832049

約数列:

[1, 5, 17, 85, 277, 289, 1385, 1445, 4709, 23545, 80053, 321143, 400265, 1605715, 5459431, 27297155, 88956611, 92810327, 444783055, 464051635, 1512262387, 7561311935, 25708460579, 128542302895]

約数ペア:

[(1, 128542302895), (5, 25708460579), (17, 7561311935), (85, 1512262387), (277, 464051635), (289, 444783055), (1385, 92810327), (1445, 88956611), (4709, 27297155), (23545, 5459431), (80053, 1605715), (321143, 400265)]