81267218

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{839}}^1\times {\mathrm{2549}}^1$

素因数の和:3409

約数の個数: 16

約数和(自身を含む): 128520000

約数和(自身を除く): 47252782

約数列:

[1, 2, 19, 38, 839, 1678, 2549, 5098, 15941, 31882, 48431, 96862, 2138611, 4277222, 40633609, 81267218]

約数ペア:

[(1, 81267218), (2, 40633609), (19, 4277222), (38, 2138611), (839, 96862), (1678, 48431), (2549, 31882), (5098, 15941)]