28908215

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1499}}^1$

素因数の和:1559

約数の個数: 32

約数和(自身を含む): 43200000

約数和(自身を除く): 14291785

約数列:

[1, 5, 7, 19, 29, 35, 95, 133, 145, 203, 551, 665, 1015, 1499, 2755, 3857, 7495, 10493, 19285, 28481, 43471, 52465, 142405, 199367, 217355, 304297, 825949, 996835, 1521485, 4129745, 5781643, 28908215]

約数ペア:

[(1, 28908215), (5, 5781643), (7, 4129745), (19, 1521485), (29, 996835), (35, 825949), (95, 304297), (133, 217355), (145, 199367), (203, 142405), (551, 52465), (665, 43471), (1015, 28481), (1499, 19285), (2755, 10493), (3857, 7495)]