128776459

素因数分解:

$7^2\times {\mathrm{1361}}^1\times {\mathrm{1931}}^1$

素因数の和:3306

約数の個数: 12

約数和(自身を含む): 149988888

約数和(自身を除く): 21212429

約数列:

[1, 7, 49, 1361, 1931, 9527, 13517, 66689, 94619, 2628091, 18396637, 128776459]

約数ペア:

[(1, 128776459), (7, 18396637), (49, 2628091), (1361, 94619), (1931, 66689), (9527, 13517)]