25551054

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{19993}}^1$

素因数の和:20072

約数の個数: 24

約数和(自身を含む): 56143152

約数和(自身を除く): 30592098

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 19993, 39986, 59979, 119958, 179937, 359874, 1419503, 2839006, 4258509, 8517018, 12775527, 25551054]

約数ペア:

[(1, 25551054), (2, 12775527), (3, 8517018), (6, 4258509), (9, 2839006), (18, 1419503), (71, 359874), (142, 179937), (213, 119958), (426, 59979), (639, 39986), (1278, 19993)]