28681016

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39397}}^1$

素因数の和:39423

約数の個数: 32

約数和(自身を含む): 66188640

約数和(自身を除く): 37507624

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 39397, 78794, 157588, 275779, 315176, 512161, 551558, 1024322, 1103116, 2048644, 2206232, 3585127, 4097288, 7170254, 14340508, 28681016]

約数ペア:

[(1, 28681016), (2, 14340508), (4, 7170254), (7, 4097288), (8, 3585127), (13, 2206232), (14, 2048644), (26, 1103116), (28, 1024322), (52, 551558), (56, 512161), (91, 315176), (104, 275779), (182, 157588), (364, 78794), (728, 39397)]