128412881

素因数分解:

${\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:572

約数の個数: 16

約数和(自身を含む): 135303168

約数和(自身を除く): 6890287

約数列:

[1, 31, 103, 131, 307, 3193, 4061, 9517, 13493, 31621, 40217, 418283, 980251, 1246727, 4142351, 128412881]

約数ペア:

[(1, 128412881), (31, 4142351), (103, 1246727), (131, 980251), (307, 418283), (3193, 40217), (4061, 31621), (9517, 13493)]