28084147

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 37452800

約数和(自身を除く): 9368653

約数列:

[1, 7, 13, 19, 37, 91, 133, 247, 259, 439, 481, 703, 1729, 3073, 3367, 4921, 5707, 8341, 9139, 16243, 39949, 58387, 63973, 108433, 113701, 211159, 308617, 759031, 1478113, 2160319, 4012021, 28084147]

約数ペア:

[(1, 28084147), (7, 4012021), (13, 2160319), (19, 1478113), (37, 759031), (91, 308617), (133, 211159), (247, 113701), (259, 108433), (439, 63973), (481, 58387), (703, 39949), (1729, 16243), (3073, 9139), (3367, 8341), (4921, 5707)]