201621812

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1\times {\mathrm{389}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 410417280

約数和(自身を除く): 208795468

約数列:

[1, 2, 4, 7, 14, 28, 107, 173, 214, 346, 389, 428, 692, 749, 778, 1211, 1498, 1556, 2422, 2723, 2996, 4844, 5446, 10892, 18511, 37022, 41623, 67297, 74044, 83246, 129577, 134594, 166492, 259154, 269188, 291361, 471079, 518308, 582722, 942158, 1165444, 1884316, 7200779, 14401558, 28803116, 50405453, 100810906, 201621812]

約数ペア:

[(1, 201621812), (2, 100810906), (4, 50405453), (7, 28803116), (14, 14401558), (28, 7200779), (107, 1884316), (173, 1165444), (214, 942158), (346, 582722), (389, 518308), (428, 471079), (692, 291361), (749, 269188), (778, 259154), (1211, 166492), (1498, 134594), (1556, 129577), (2422, 83246), (2723, 74044), (2996, 67297), (4844, 41623), (5446, 37022), (10892, 18511)]