56181895

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1999}}^1$

素因数の和:2095

約数の個数: 32

約数和(自身を含む): 85248000

約数和(自身を除く): 29066105

約数列:

[1, 5, 7, 11, 35, 55, 73, 77, 365, 385, 511, 803, 1999, 2555, 4015, 5621, 9995, 13993, 21989, 28105, 69965, 109945, 145927, 153923, 729635, 769615, 1021489, 1605197, 5107445, 8025985, 11236379, 56181895]

約数ペア:

[(1, 56181895), (5, 11236379), (7, 8025985), (11, 5107445), (35, 1605197), (55, 1021489), (73, 769615), (77, 729635), (365, 153923), (385, 145927), (511, 109945), (803, 69965), (1999, 28105), (2555, 21989), (4015, 13993), (5621, 9995)]