26899990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{206923}}^1$

素因数の和:206943

約数の個数: 16

約数和(自身を含む): 52144848

約数和(自身を除く): 25244858

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 206923, 413846, 1034615, 2069230, 2689999, 5379998, 13449995, 26899990]

約数ペア:

[(1, 26899990), (2, 13449995), (5, 5379998), (10, 2689999), (13, 2069230), (26, 1034615), (65, 413846), (130, 206923)]