1287920959

素因数分解:

${\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{242227}}^1$

素因数の和:242649

約数の個数: 8

約数和(自身を含む): 1390388720

約数和(自身を除く): 102467761

約数列:

[1, 13, 409, 5317, 242227, 3148951, 99070843, 1287920959]

約数ペア:

[(1, 1287920959), (13, 99070843), (409, 3148951), (5317, 242227)]