2015128619

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{10399}}^1$

素因数の和:10503

約数の個数: 32

約数和(自身を含む): 2555904000

約数和(自身を除く): 540775381

約数列:

[1, 7, 19, 31, 47, 133, 217, 329, 589, 893, 1457, 4123, 6251, 10199, 10399, 27683, 72793, 193781, 197581, 322369, 488753, 1383067, 2256583, 3421271, 6125011, 9286307, 15151343, 42875077, 65004149, 106059401, 287875517, 2015128619]

約数ペア:

[(1, 2015128619), (7, 287875517), (19, 106059401), (31, 65004149), (47, 42875077), (133, 15151343), (217, 9286307), (329, 6125011), (589, 3421271), (893, 2256583), (1457, 1383067), (4123, 488753), (6251, 322369), (10199, 197581), (10399, 193781), (27683, 72793)]