28294728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:339

約数の個数: 128

約数和(自身を含む): 89994240

約数和(自身を除く): 61699512

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 61, 66, 77, 84, 88, 122, 132, 154, 168, 183, 231, 244, 251, 264, 308, 366, 427, 462, 488, 502, 616, 671, 732, 753, 854, 924, 1004, 1281, 1342, 1464, 1506, 1708, 1757, 1848, 2008, 2013, 2562, 2684, 2761, 3012, 3416, 3514, 4026, 4697, 5124, 5271, 5368, 5522, 6024, 7028, 8052, 8283, 9394, 10248, 10542, 11044, 14056, 14091, 15311, 16104, 16566, 18788, 19327, 21084, 22088, 28182, 30622, 33132, 37576, 38654, 42168, 45933, 56364, 57981, 61244, 66264, 77308, 91866, 107177, 112728, 115962, 122488, 154616, 168421, 183732, 214354, 231924, 321531, 336842, 367464, 428708, 463848, 505263, 643062, 673684, 857416, 1010526, 1178947, 1286124, 1347368, 2021052, 2357894, 2572248, 3536841, 4042104, 4715788, 7073682, 9431576, 14147364, 28294728]

約数ペア:

[(1, 28294728), (2, 14147364), (3, 9431576), (4, 7073682), (6, 4715788), (7, 4042104), (8, 3536841), (11, 2572248), (12, 2357894), (14, 2021052), (21, 1347368), (22, 1286124), (24, 1178947), (28, 1010526), (33, 857416), (42, 673684), (44, 643062), (56, 505263), (61, 463848), (66, 428708), (77, 367464), (84, 336842), (88, 321531), (122, 231924), (132, 214354), (154, 183732), (168, 168421), (183, 154616), (231, 122488), (244, 115962), (251, 112728), (264, 107177), (308, 91866), (366, 77308), (427, 66264), (462, 61244), (488, 57981), (502, 56364), (616, 45933), (671, 42168), (732, 38654), (753, 37576), (854, 33132), (924, 30622), (1004, 28182), (1281, 22088), (1342, 21084), (1464, 19327), (1506, 18788), (1708, 16566), (1757, 16104), (1848, 15311), (2008, 14091), (2013, 14056), (2562, 11044), (2684, 10542), (2761, 10248), (3012, 9394), (3416, 8283), (3514, 8052), (4026, 7028), (4697, 6024), (5124, 5522), (5271, 5368)]