16556316

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{761}}^1$

素因数の和:819

約数の個数: 72

約数和(自身を含む): 46213776

約数和(自身を除く): 29657460

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 49, 74, 84, 98, 111, 147, 148, 196, 222, 259, 294, 444, 518, 588, 761, 777, 1036, 1522, 1554, 1813, 2283, 3044, 3108, 3626, 4566, 5327, 5439, 7252, 9132, 10654, 10878, 15981, 21308, 21756, 28157, 31962, 37289, 56314, 63924, 74578, 84471, 111867, 112628, 149156, 168942, 197099, 223734, 337884, 394198, 447468, 591297, 788396, 1182594, 1379693, 2365188, 2759386, 4139079, 5518772, 8278158, 16556316]

約数ペア:

[(1, 16556316), (2, 8278158), (3, 5518772), (4, 4139079), (6, 2759386), (7, 2365188), (12, 1379693), (14, 1182594), (21, 788396), (28, 591297), (37, 447468), (42, 394198), (49, 337884), (74, 223734), (84, 197099), (98, 168942), (111, 149156), (147, 112628), (148, 111867), (196, 84471), (222, 74578), (259, 63924), (294, 56314), (444, 37289), (518, 31962), (588, 28157), (761, 21756), (777, 21308), (1036, 15981), (1522, 10878), (1554, 10654), (1813, 9132), (2283, 7252), (3044, 5439), (3108, 5327), (3626, 4566)]