206987788

素因数分解:

$2^2\times 7^1\times {\mathrm{953}}^1\times {\mathrm{7757}}^1$

素因数の和:8721

約数の個数: 24

約数和(自身を含む): 414463392

約数和(自身を除く): 207475604

約数列:

[1, 2, 4, 7, 14, 28, 953, 1906, 3812, 6671, 7757, 13342, 15514, 26684, 31028, 54299, 108598, 217196, 7392421, 14784842, 29569684, 51746947, 103493894, 206987788]

約数ペア:

[(1, 206987788), (2, 103493894), (4, 51746947), (7, 29569684), (14, 14784842), (28, 7392421), (953, 217196), (1906, 108598), (3812, 54299), (6671, 31028), (7757, 26684), (13342, 15514)]