28866719

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1709}}^1$

素因数の和:1862

約数の個数: 16

約数和(自身を含む): 35020800

約数和(自身を除く): 6154081

約数列:

[1, 7, 19, 127, 133, 889, 1709, 2413, 11963, 16891, 32471, 217043, 227297, 1519301, 4123817, 28866719]

約数ペア:

[(1, 28866719), (7, 4123817), (19, 1519301), (127, 227297), (133, 217043), (889, 32471), (1709, 16891), (2413, 11963)]