66505555

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 85887360

約数和(自身を除く): 19381805

約数列:

[1, 5, 29, 61, 73, 103, 145, 305, 365, 515, 1769, 2117, 2987, 4453, 6283, 7519, 8845, 10585, 14935, 22265, 31415, 37595, 129137, 182207, 218051, 458659, 645685, 911035, 1090255, 2293295, 13301111, 66505555]

約数ペア:

[(1, 66505555), (5, 13301111), (29, 2293295), (61, 1090255), (73, 911035), (103, 645685), (145, 458659), (305, 218051), (365, 182207), (515, 129137), (1769, 37595), (2117, 31415), (2987, 22265), (4453, 14935), (6283, 10585), (7519, 8845)]