648082172

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{78233}}^1$

素因数の和:78365

約数の個数: 24

約数和(自身を含む): 1204803600

約数和(自身を除く): 556721428

約数列:

[1, 2, 4, 19, 38, 76, 109, 218, 436, 2071, 4142, 8284, 78233, 156466, 312932, 1486427, 2972854, 5945708, 8527397, 17054794, 34109588, 162020543, 324041086, 648082172]

約数ペア:

[(1, 648082172), (2, 324041086), (4, 162020543), (19, 34109588), (38, 17054794), (76, 8527397), (109, 5945708), (218, 2972854), (436, 1486427), (2071, 312932), (4142, 156466), (8284, 78233)]