66739668

素因数分解:

$2^2\times 3^1\times {\mathrm{5561639}}^1$

素因数の和:5561646

約数の個数: 12

約数和(自身を含む): 155725920

約数和(自身を除く): 88986252

約数列:

[1, 2, 3, 4, 6, 12, 5561639, 11123278, 16684917, 22246556, 33369834, 66739668]

約数ペア:

[(1, 66739668), (2, 33369834), (3, 22246556), (4, 16684917), (6, 11123278), (12, 5561639)]