28952287

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:228

約数の個数: 32

約数和(自身を含む): 37452800

約数和(自身を除く): 8500513

約数列:

[1, 7, 13, 43, 49, 91, 151, 301, 343, 559, 637, 1057, 1963, 2107, 3913, 4459, 6493, 7399, 13741, 14749, 27391, 45451, 51793, 84409, 96187, 191737, 318157, 590863, 673309, 2227099, 4136041, 28952287]

約数ペア:

[(1, 28952287), (7, 4136041), (13, 2227099), (43, 673309), (49, 590863), (91, 318157), (151, 191737), (301, 96187), (343, 84409), (559, 51793), (637, 45451), (1057, 27391), (1963, 14749), (2107, 13741), (3913, 7399), (4459, 6493)]