28591922

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{199}}^2$

素因数の和:438

約数の個数: 18

約数和(自身を含む): 45492543

約数和(自身を除く): 16900621

約数列:

[1, 2, 19, 38, 199, 361, 398, 722, 3781, 7562, 39601, 71839, 79202, 143678, 752419, 1504838, 14295961, 28591922]

約数ペア:

[(1, 28591922), (2, 14295961), (19, 1504838), (38, 752419), (199, 143678), (361, 79202), (398, 71839), (722, 39601), (3781, 7562)]