1291207357436

素因数分解:

$2^2\times {\mathrm{409}}^1\times {\mathrm{3967}}^1\times {\mathrm{198953}}^1$

素因数の和:203333

約数の個数: 24

約数和(自身を含む): 2265719984640

約数和(自身を除く): 974512627204

約数列:

[1, 2, 4, 409, 818, 1636, 3967, 7934, 15868, 198953, 397906, 795812, 1622503, 3245006, 6490012, 81371777, 162743554, 325487108, 789246551, 1578493102, 3156986204, 322801839359, 645603678718, 1291207357436]

約数ペア:

[(1, 1291207357436), (2, 645603678718), (4, 322801839359), (409, 3156986204), (818, 1578493102), (1636, 789246551), (3967, 325487108), (7934, 162743554), (15868, 81371777), (198953, 6490012), (397906, 3245006), (795812, 1622503)]