16967209

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{661}}^1$

素因数の和:880

約数の個数: 16

約数和(自身を含む): 20548480

約数和(自身を除く): 3581271

約数列:

[1, 7, 19, 133, 193, 661, 1351, 3667, 4627, 12559, 25669, 87913, 127573, 893011, 2423887, 16967209]

約数ペア:

[(1, 16967209), (7, 2423887), (19, 893011), (133, 127573), (193, 87913), (661, 25669), (1351, 12559), (3667, 4627)]