28928207

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8737}}^1$

素因数の和:8798

約数の個数: 16

約数和(自身を含む): 36909312

約数和(自身を除く): 7981105

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 8737, 61159, 96107, 375691, 672749, 2629837, 4132601, 28928207]

約数ペア:

[(1, 28928207), (7, 4132601), (11, 2629837), (43, 672749), (77, 375691), (301, 96107), (473, 61159), (3311, 8737)]