640856562

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{20849}}^1$

素因数の和:21010

約数の個数: 32

約数和(自身を含む): 1321056000

約数和(自身を除く): 680199438

約数列:

[1, 2, 3, 6, 47, 94, 109, 141, 218, 282, 327, 654, 5123, 10246, 15369, 20849, 30738, 41698, 62547, 125094, 979903, 1959806, 2272541, 2939709, 4545082, 5879418, 6817623, 13635246, 106809427, 213618854, 320428281, 640856562]

約数ペア:

[(1, 640856562), (2, 320428281), (3, 213618854), (6, 106809427), (47, 13635246), (94, 6817623), (109, 5879418), (141, 4545082), (218, 2939709), (282, 2272541), (327, 1959806), (654, 979903), (5123, 125094), (10246, 62547), (15369, 41698), (20849, 30738)]