66489815

素因数分解:

$5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{2687}}^1$

素因数の和:2807

約数の個数: 24

約数和(自身を含む): 93768192

約数和(自身を除く): 27278377

約数列:

[1, 5, 7, 35, 49, 101, 245, 505, 707, 2687, 3535, 4949, 13435, 18809, 24745, 94045, 131663, 271387, 658315, 1356935, 1899709, 9498545, 13297963, 66489815]

約数ペア:

[(1, 66489815), (5, 13297963), (7, 9498545), (35, 1899709), (49, 1356935), (101, 658315), (245, 271387), (505, 131663), (707, 94045), (2687, 24745), (3535, 18809), (4949, 13435)]