138966438

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1781621}}^1$

素因数の和:1781639

約数の個数: 16

約数和(自身を含む): 299312496

約数和(自身を除く): 160346058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1781621, 3563242, 5344863, 10689726, 23161073, 46322146, 69483219, 138966438]

約数ペア:

[(1, 138966438), (2, 69483219), (3, 46322146), (6, 23161073), (13, 10689726), (26, 5344863), (39, 3563242), (78, 1781621)]