668054268

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{821}}^1\times {\mathrm{3229}}^1$

素因数の和:4067

約数の個数: 72

約数和(自身を含む): 1932883680

約数和(自身を除く): 1264829412

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 821, 1642, 2463, 3229, 3284, 4926, 5747, 6458, 7389, 9687, 9852, 11494, 12916, 14778, 17241, 19374, 22603, 22988, 29061, 29556, 34482, 38748, 45206, 51723, 58122, 67809, 68964, 90412, 103446, 116244, 135618, 203427, 206892, 271236, 406854, 813708, 2651009, 5302018, 7953027, 10604036, 15906054, 18557063, 23859081, 31812108, 37114126, 47718162, 55671189, 74228252, 95436324, 111342378, 167013567, 222684756, 334027134, 668054268]

約数ペア:

[(1, 668054268), (2, 334027134), (3, 222684756), (4, 167013567), (6, 111342378), (7, 95436324), (9, 74228252), (12, 55671189), (14, 47718162), (18, 37114126), (21, 31812108), (28, 23859081), (36, 18557063), (42, 15906054), (63, 10604036), (84, 7953027), (126, 5302018), (252, 2651009), (821, 813708), (1642, 406854), (2463, 271236), (3229, 206892), (3284, 203427), (4926, 135618), (5747, 116244), (6458, 103446), (7389, 90412), (9687, 68964), (9852, 67809), (11494, 58122), (12916, 51723), (14778, 45206), (17241, 38748), (19374, 34482), (22603, 29556), (22988, 29061)]