128336929

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{503}}^1$

素因数の和:685

約数の個数: 24

約数和(自身を含む): 154441728

約数和(自身を除く): 26104799

約数列:

[1, 7, 41, 49, 127, 287, 503, 889, 2009, 3521, 5207, 6223, 20623, 24647, 36449, 63881, 144361, 255143, 447167, 1010527, 2619121, 3130169, 18333847, 128336929]

約数ペア:

[(1, 128336929), (7, 18333847), (41, 3130169), (49, 2619121), (127, 1010527), (287, 447167), (503, 255143), (889, 144361), (2009, 63881), (3521, 36449), (5207, 24647), (6223, 20623)]