28564165

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{787}}^1$

素因数の和:877

約数の個数: 32

約数和(自身を含む): 42211584

約数和(自身を除く): 13647419

約数列:

[1, 5, 7, 17, 35, 61, 85, 119, 305, 427, 595, 787, 1037, 2135, 3935, 5185, 5509, 7259, 13379, 27545, 36295, 48007, 66895, 93653, 240035, 336049, 468265, 816119, 1680245, 4080595, 5712833, 28564165]

約数ペア:

[(1, 28564165), (5, 5712833), (7, 4080595), (17, 1680245), (35, 816119), (61, 468265), (85, 336049), (119, 240035), (305, 93653), (427, 66895), (595, 48007), (787, 36295), (1037, 27545), (2135, 13379), (3935, 7259), (5185, 5509)]