664755084

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{20771}}^1$

素因数の和:20915

約数の個数: 72

約数和(自身を含む): 1935618048

約数和(自身を除く): 1270862964

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 127, 252, 254, 381, 508, 762, 889, 1143, 1524, 1778, 2286, 2667, 3556, 4572, 5334, 8001, 10668, 16002, 20771, 32004, 41542, 62313, 83084, 124626, 145397, 186939, 249252, 290794, 373878, 436191, 581588, 747756, 872382, 1308573, 1744764, 2617146, 2637917, 5234292, 5275834, 7913751, 10551668, 15827502, 18465419, 23741253, 31655004, 36930838, 47482506, 55396257, 73861676, 94965012, 110792514, 166188771, 221585028, 332377542, 664755084]

約数ペア:

[(1, 664755084), (2, 332377542), (3, 221585028), (4, 166188771), (6, 110792514), (7, 94965012), (9, 73861676), (12, 55396257), (14, 47482506), (18, 36930838), (21, 31655004), (28, 23741253), (36, 18465419), (42, 15827502), (63, 10551668), (84, 7913751), (126, 5275834), (127, 5234292), (252, 2637917), (254, 2617146), (381, 1744764), (508, 1308573), (762, 872382), (889, 747756), (1143, 581588), (1524, 436191), (1778, 373878), (2286, 290794), (2667, 249252), (3556, 186939), (4572, 145397), (5334, 124626), (8001, 83084), (10668, 62313), (16002, 41542), (20771, 32004)]