39915281

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 50319360

約数和(自身を除く): 10404079

約数列:

[1, 7, 23, 29, 83, 103, 161, 203, 581, 667, 721, 1909, 2369, 2407, 2987, 4669, 8549, 13363, 16583, 16849, 20909, 55361, 59843, 68701, 196627, 247921, 387527, 480907, 1376389, 1735447, 5702183, 39915281]

約数ペア:

[(1, 39915281), (7, 5702183), (23, 1735447), (29, 1376389), (83, 480907), (103, 387527), (161, 247921), (203, 196627), (581, 68701), (667, 59843), (721, 55361), (1909, 20909), (2369, 16849), (2407, 16583), (2987, 13363), (4669, 8549)]