28087654

素因数分解:

$2^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{6451}}^1$

素因数の和:6771

約数の個数: 16

約数和(自身を含む): 48312576

約数和(自身を除く): 20224922

約数列:

[1, 2, 7, 14, 311, 622, 2177, 4354, 6451, 12902, 45157, 90314, 2006261, 4012522, 14043827, 28087654]

約数ペア:

[(1, 28087654), (2, 14043827), (7, 4012522), (14, 2006261), (311, 90314), (622, 45157), (2177, 12902), (4354, 6451)]