389563811

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1\times {\mathrm{499}}^1$

素因数の和:915

約数の個数: 32

約数和(自身を含む): 502656000

約数和(自身を除く): 113092189

約数列:

[1, 7, 13, 23, 91, 161, 299, 373, 499, 2093, 2611, 3493, 4849, 6487, 8579, 11477, 33943, 45409, 60053, 80339, 111527, 149201, 186127, 780689, 1044407, 1302889, 2419651, 4280921, 16937557, 29966447, 55651973, 389563811]

約数ペア:

[(1, 389563811), (7, 55651973), (13, 29966447), (23, 16937557), (91, 4280921), (161, 2419651), (299, 1302889), (373, 1044407), (499, 780689), (2093, 186127), (2611, 149201), (3493, 111527), (4849, 80339), (6487, 60053), (8579, 45409), (11477, 33943)]