68416144

素因数分解:

$2^4\times {\mathrm{661}}^1\times {\mathrm{6469}}^1$

素因数の和:7138

約数の個数: 20

約数和(自身を含む): 132777340

約数和(自身を除く): 64361196

約数列:

[1, 2, 4, 8, 16, 661, 1322, 2644, 5288, 6469, 10576, 12938, 25876, 51752, 103504, 4276009, 8552018, 17104036, 34208072, 68416144]

約数ペア:

[(1, 68416144), (2, 34208072), (4, 17104036), (8, 8552018), (16, 4276009), (661, 103504), (1322, 51752), (2644, 25876), (5288, 12938), (6469, 10576)]