28720828

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{2399}}^1$

素因数の和:2517

約数の個数: 24

約数和(自身を含む): 52214400

約数和(自身を除く): 23493572

約数列:

[1, 2, 4, 41, 73, 82, 146, 164, 292, 2399, 2993, 4798, 5986, 9596, 11972, 98359, 175127, 196718, 350254, 393436, 700508, 7180207, 14360414, 28720828]

約数ペア:

[(1, 28720828), (2, 14360414), (4, 7180207), (41, 700508), (73, 393436), (82, 350254), (146, 196718), (164, 175127), (292, 98359), (2399, 11972), (2993, 9596), (4798, 5986)]