2158686

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{2789}}^1$

素因数の和:2840

約数の個数: 24

約数和(自身を含む): 4787640

約数和(自身を除く): 2628954

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 2789, 5578, 8367, 16734, 25101, 50202, 119927, 239854, 359781, 719562, 1079343, 2158686]

約数ペア:

[(1, 2158686), (2, 1079343), (3, 719562), (6, 359781), (9, 239854), (18, 119927), (43, 50202), (86, 25101), (129, 16734), (258, 8367), (387, 5578), (774, 2789)]