81241862

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1069}}^1$

素因数の和:1200

約数の個数: 32

約数和(自身を含む): 136617600

約数和(自身を除く): 55375738

約数列:

[1, 2, 13, 26, 37, 74, 79, 158, 481, 962, 1027, 1069, 2054, 2138, 2923, 5846, 13897, 27794, 37999, 39553, 75998, 79106, 84451, 168902, 514189, 1028378, 1097863, 2195726, 3124687, 6249374, 40620931, 81241862]

約数ペア:

[(1, 81241862), (2, 40620931), (13, 6249374), (26, 3124687), (37, 2195726), (74, 1097863), (79, 1028378), (158, 514189), (481, 168902), (962, 84451), (1027, 79106), (1069, 75998), (2054, 39553), (2138, 37999), (2923, 27794), (5846, 13897)]