28256774

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1451}}^1$

素因数の和:1580

約数の個数: 32

約数和(自身を含む): 52690176

約数和(自身を除く): 24433402

約数列:

[1, 2, 7, 13, 14, 26, 91, 107, 182, 214, 749, 1391, 1451, 1498, 2782, 2902, 9737, 10157, 18863, 19474, 20314, 37726, 132041, 155257, 264082, 310514, 1086799, 2018341, 2173598, 4036682, 14128387, 28256774]

約数ペア:

[(1, 28256774), (2, 14128387), (7, 4036682), (13, 2173598), (14, 2018341), (26, 1086799), (91, 310514), (107, 264082), (182, 155257), (214, 132041), (749, 37726), (1391, 20314), (1451, 19474), (1498, 18863), (2782, 10157), (2902, 9737)]