12993197

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{541}}^1$

素因数の和:668

約数の個数: 16

約数和(自身を含む): 15401472

約数和(自身を除く): 2408275

約数列:

[1, 7, 47, 73, 329, 511, 541, 3431, 3787, 24017, 25427, 39493, 177989, 276451, 1856171, 12993197]

約数ペア:

[(1, 12993197), (7, 1856171), (47, 276451), (73, 177989), (329, 39493), (511, 25427), (541, 24017), (3431, 3787)]