129791818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{20887}}^1$

素因数の和:21141

約数の個数: 16

約数和(自身を含む): 210551040

約数和(自身を除く): 80759222

約数列:

[1, 2, 13, 26, 239, 478, 3107, 6214, 20887, 41774, 271531, 543062, 4991993, 9983986, 64895909, 129791818]

約数ペア:

[(1, 129791818), (2, 64895909), (13, 9983986), (26, 4991993), (239, 543062), (478, 271531), (3107, 41774), (6214, 20887)]