28133945

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{34949}}^1$

素因数の和:34984

約数の個数: 16

約数和(自身を含む): 40262400

約数和(自身を除く): 12128455

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 34949, 174745, 244643, 803827, 1223215, 4019135, 5626789, 28133945]

約数ペア:

[(1, 28133945), (5, 5626789), (7, 4019135), (23, 1223215), (35, 803827), (115, 244643), (161, 174745), (805, 34949)]