1998960831484

素因数分解:

$2^2\times {\mathrm{1559}}^1\times {\mathrm{320551769}}^1$

素因数の和:320553332

約数の個数: 12

約数和(自身を含む): 3500425328400

約数和(自身を除く): 1501464496916

約数列:

[1, 2, 4, 1559, 3118, 6236, 320551769, 641103538, 1282207076, 499740207871, 999480415742, 1998960831484]

約数ペア:

[(1, 1998960831484), (2, 999480415742), (4, 499740207871), (1559, 1282207076), (3118, 641103538), (6236, 320551769)]