389832215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 503808000

約数和(自身を除く): 113975785

約数列:

[1, 5, 19, 79, 95, 127, 395, 409, 635, 1501, 2045, 2413, 7505, 7771, 10033, 12065, 32311, 38855, 50165, 51943, 161555, 190627, 259715, 613909, 953135, 986917, 3069545, 4103497, 4934585, 20517485, 77966443, 389832215]

約数ペア:

[(1, 389832215), (5, 77966443), (19, 20517485), (79, 4934585), (95, 4103497), (127, 3069545), (395, 986917), (409, 953135), (635, 613909), (1501, 259715), (2045, 190627), (2413, 161555), (7505, 51943), (7771, 50165), (10033, 38855), (12065, 32311)]