639014593

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{541}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 786723840

約数和(自身を除く): 147709247

約数列:

[1, 7, 19, 83, 107, 133, 541, 581, 749, 1577, 2033, 3787, 8881, 10279, 11039, 14231, 44903, 57887, 62167, 71953, 168739, 314321, 405209, 853157, 1099853, 1181173, 4804621, 5972099, 7698971, 33632347, 91287799, 639014593]

約数ペア:

[(1, 639014593), (7, 91287799), (19, 33632347), (83, 7698971), (107, 5972099), (133, 4804621), (541, 1181173), (581, 1099853), (749, 853157), (1577, 405209), (2033, 314321), (3787, 168739), (8881, 71953), (10279, 62167), (11039, 57887), (14231, 44903)]