16890839

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{5651}}^1$

素因数の和:5726

約数の個数: 12

約数和(自身を含む): 19974168

約数和(自身を除く): 3083329

約数列:

[1, 7, 49, 61, 427, 2989, 5651, 39557, 276899, 344711, 2412977, 16890839]

約数ペア:

[(1, 16890839), (7, 2412977), (49, 344711), (61, 276899), (427, 39557), (2989, 5651)]