28736449

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{449}}^1$

素因数の和:720

約数の個数: 16

約数和(自身を含む): 33868800

約数和(自身を除く): 5132351

約数列:

[1, 7, 41, 223, 287, 449, 1561, 3143, 9143, 18409, 64001, 100127, 128863, 700889, 4105207, 28736449]

約数ペア:

[(1, 28736449), (7, 4105207), (41, 700889), (223, 128863), (287, 100127), (449, 64001), (1561, 18409), (3143, 9143)]