28384004090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{218338493}}^1$

素因数の和:218338513

約数の個数: 16

約数和(自身を含む): 55021300488

約数和(自身を除く): 26637296398

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 218338493, 436676986, 1091692465, 2183384930, 2838400409, 5676800818, 14192002045, 28384004090]

約数ペア:

[(1, 28384004090), (2, 14192002045), (5, 5676800818), (10, 2838400409), (13, 2183384930), (26, 1091692465), (65, 436676986), (130, 218338493)]