25556166

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{19997}}^1$

素因数の和:20076

約数の個数: 24

約数和(自身を含む): 56154384

約数和(自身を除く): 30598218

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 19997, 39994, 59991, 119982, 179973, 359946, 1419787, 2839574, 4259361, 8518722, 12778083, 25556166]

約数ペア:

[(1, 25556166), (2, 12778083), (3, 8518722), (6, 4259361), (9, 2839574), (18, 1419787), (71, 359946), (142, 179973), (213, 119982), (426, 59991), (639, 39994), (1278, 19997)]