28717195

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{4129}}^1$

素因数の和:4254

約数の個数: 16

約数和(自身を含む): 37467360

約数和(自身を除く): 8750165

約数列:

[1, 5, 13, 65, 107, 535, 1391, 4129, 6955, 20645, 53677, 268385, 441803, 2209015, 5743439, 28717195]

約数ペア:

[(1, 28717195), (5, 5743439), (13, 2209015), (65, 441803), (107, 268385), (535, 53677), (1391, 20645), (4129, 6955)]