28171664

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{24799}}^1$

素因数の和:24878

約数の個数: 20

約数和(自身を含む): 55353600

約数和(自身を除く): 27181936

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 24799, 49598, 99196, 198392, 396784, 1760729, 3521458, 7042916, 14085832, 28171664]

約数ペア:

[(1, 28171664), (2, 14085832), (4, 7042916), (8, 3521458), (16, 1760729), (71, 396784), (142, 198392), (284, 99196), (568, 49598), (1136, 24799)]