129496978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{11887}}^1$

素因数の和:12321

約数の個数: 16

約数和(自身を含む): 209704320

約数和(自身を除く): 80207342

約数列:

[1, 2, 13, 26, 419, 838, 5447, 10894, 11887, 23774, 154531, 309062, 4980653, 9961306, 64748489, 129496978]

約数ペア:

[(1, 129496978), (2, 64748489), (13, 9961306), (26, 4980653), (419, 309062), (838, 154531), (5447, 23774), (10894, 11887)]