1287942734

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{234769}}^1$

素因数の和:234995

約数の個数: 16

約数和(自身を含む): 2090392080

約数和(自身を除く): 802449346

約数列:

[1, 2, 13, 26, 211, 422, 2743, 5486, 234769, 469538, 3051997, 6103994, 49536259, 99072518, 643971367, 1287942734]

約数ペア:

[(1, 1287942734), (2, 643971367), (13, 99072518), (26, 49536259), (211, 6103994), (422, 3051997), (2743, 469538), (5486, 234769)]