199211045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{643}}^1$

素因数の和:833

約数の個数: 32

約数和(自身を含む): 269305344

約数和(自身を除く): 70094299

約数列:

[1, 5, 11, 43, 55, 131, 215, 473, 643, 655, 1441, 2365, 3215, 5633, 7073, 7205, 27649, 28165, 35365, 61963, 84233, 138245, 304139, 309815, 421165, 926563, 1520695, 3622019, 4632815, 18110095, 39842209, 199211045]

約数ペア:

[(1, 199211045), (5, 39842209), (11, 18110095), (43, 4632815), (55, 3622019), (131, 1520695), (215, 926563), (473, 421165), (643, 309815), (655, 304139), (1441, 138245), (2365, 84233), (3215, 61963), (5633, 35365), (7073, 28165), (7205, 27649)]