28089919

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5309}}^1$

素因数の和:5370

約数の個数: 16

約数和(自身を含む): 33899040

約数和(自身を除く): 5809121

約数列:

[1, 11, 13, 37, 143, 407, 481, 5291, 5309, 58399, 69017, 196433, 759187, 2160763, 2553629, 28089919]

約数ペア:

[(1, 28089919), (11, 2553629), (13, 2160763), (37, 759187), (143, 196433), (407, 69017), (481, 58399), (5291, 5309)]