28112786

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{12149}}^1$

素因数の和:12253

約数の個数: 16

約数和(自身を含む): 45927000

約数和(自身を除く): 17814214

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 12149, 24298, 157937, 315874, 1081261, 2162522, 14056393, 28112786]

約数ペア:

[(1, 28112786), (2, 14056393), (13, 2162522), (26, 1081261), (89, 315874), (178, 157937), (1157, 24298), (2314, 12149)]