206989474

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1\times {\mathrm{2203}}^1$

素因数の和:2745

約数の個数: 16

約数和(自身を含む): 314202240

約数和(自身を除く): 107212766

約数列:

[1, 2, 109, 218, 431, 862, 2203, 4406, 46979, 93958, 240127, 480254, 949493, 1898986, 103494737, 206989474]

約数ペア:

[(1, 206989474), (2, 103494737), (109, 1898986), (218, 949493), (431, 480254), (862, 240127), (2203, 93958), (4406, 46979)]