164051275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2777}}^1$

素因数の和:2943

約数の個数: 24

約数和(自身を含む): 217017360

約数和(自身を除く): 52966085

約数列:

[1, 5, 17, 25, 85, 139, 425, 695, 2363, 2777, 3475, 11815, 13885, 47209, 59075, 69425, 236045, 386003, 1180225, 1930015, 6562051, 9650075, 32810255, 164051275]

約数ペア:

[(1, 164051275), (5, 32810255), (17, 9650075), (25, 6562051), (85, 1930015), (139, 1180225), (425, 386003), (695, 236045), (2363, 69425), (2777, 59075), (3475, 47209), (11815, 13885)]