209134849

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{17987}}^1$

素因数の和:18156

約数の個数: 16

約数和(自身を含む): 262480896

約数和(自身を除く): 53346047

約数列:

[1, 7, 11, 77, 151, 1057, 1661, 11627, 17987, 125909, 197857, 1384999, 2716037, 19012259, 29876407, 209134849]

約数ペア:

[(1, 209134849), (7, 29876407), (11, 19012259), (77, 2716037), (151, 1384999), (1057, 197857), (1661, 125909), (11627, 17987)]