66805784

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{491219}}^1$

素因数の和:491242

約数の個数: 16

約数和(自身を含む): 132629400

約数和(自身を除く): 65823616

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 491219, 982438, 1964876, 3929752, 8350723, 16701446, 33402892, 66805784]

約数ペア:

[(1, 66805784), (2, 33402892), (4, 16701446), (8, 8350723), (17, 3929752), (34, 1964876), (68, 982438), (136, 491219)]