28256216

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{277}}^1\times {\mathrm{311}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 54643680

約数和(自身を除く): 26387464

約数列:

[1, 2, 4, 8, 41, 82, 164, 277, 311, 328, 554, 622, 1108, 1244, 2216, 2488, 11357, 12751, 22714, 25502, 45428, 51004, 86147, 90856, 102008, 172294, 344588, 689176, 3532027, 7064054, 14128108, 28256216]

約数ペア:

[(1, 28256216), (2, 14128108), (4, 7064054), (8, 3532027), (41, 689176), (82, 344588), (164, 172294), (277, 102008), (311, 90856), (328, 86147), (554, 51004), (622, 45428), (1108, 25502), (1244, 22714), (2216, 12751), (2488, 11357)]