28717885

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{13451}}^1$

素因数の和:13524

約数の個数: 16

約数和(自身を含む): 40033152

約数和(自身を除く): 11315267

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 13451, 67255, 94157, 470785, 820511, 4102555, 5743577, 28717885]

約数ペア:

[(1, 28717885), (5, 5743577), (7, 4102555), (35, 820511), (61, 470785), (305, 94157), (427, 67255), (2135, 13451)]