28512016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137077}}^1$

素因数の和:137098

約数の個数: 20

約数和(自身を含む): 59491852

約数和(自身を除く): 30979836

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 137077, 274154, 548308, 1096616, 1782001, 2193232, 3564002, 7128004, 14256008, 28512016]

約数ペア:

[(1, 28512016), (2, 14256008), (4, 7128004), (8, 3564002), (13, 2193232), (16, 1782001), (26, 1096616), (52, 548308), (104, 274154), (208, 137077)]