221704886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{25303}}^1$

素因数の和:25655

約数の個数: 16

約数和(自身を含む): 359215584

約数和(自身を除く): 137510698

約数列:

[1, 2, 13, 26, 337, 674, 4381, 8762, 25303, 50606, 328939, 657878, 8527111, 17054222, 110852443, 221704886]

約数ペア:

[(1, 221704886), (2, 110852443), (13, 17054222), (26, 8527111), (337, 657878), (674, 328939), (4381, 50606), (8762, 25303)]