128468501

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 158466048

約数和(自身を除く): 29997547

約数列:

[1, 7, 23, 61, 103, 127, 161, 427, 721, 889, 1403, 2369, 2921, 6283, 7747, 9821, 13081, 16583, 20447, 43981, 54229, 91567, 144509, 178181, 300863, 797941, 1011563, 1247267, 2106041, 5585587, 18352643, 128468501]

約数ペア:

[(1, 128468501), (7, 18352643), (23, 5585587), (61, 2106041), (103, 1247267), (127, 1011563), (161, 797941), (427, 300863), (721, 178181), (889, 144509), (1403, 91567), (2369, 54229), (2921, 43981), (6283, 20447), (7747, 16583), (9821, 13081)]