28963116

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:461

約数の個数: 144

約数和(自身を含む): 94291680

約数和(自身を除く): 65328564

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 49, 52, 54, 63, 78, 84, 91, 98, 108, 117, 126, 147, 156, 182, 189, 196, 234, 252, 273, 294, 351, 364, 378, 421, 441, 468, 546, 588, 637, 702, 756, 819, 842, 882, 1092, 1263, 1274, 1323, 1404, 1638, 1684, 1764, 1911, 2457, 2526, 2548, 2646, 2947, 3276, 3789, 3822, 4914, 5052, 5292, 5473, 5733, 5894, 7578, 7644, 8841, 9828, 10946, 11367, 11466, 11788, 15156, 16419, 17199, 17682, 20629, 21892, 22734, 22932, 26523, 32838, 34398, 35364, 38311, 41258, 45468, 49257, 53046, 61887, 65676, 68796, 76622, 79569, 82516, 98514, 106092, 114933, 123774, 147771, 153244, 159138, 185661, 197028, 229866, 247548, 268177, 295542, 318276, 344799, 371322, 459732, 536354, 556983, 591084, 689598, 742644, 804531, 1034397, 1072708, 1113966, 1379196, 1609062, 2068794, 2227932, 2413593, 3218124, 4137588, 4827186, 7240779, 9654372, 14481558, 28963116]

約数ペア:

[(1, 28963116), (2, 14481558), (3, 9654372), (4, 7240779), (6, 4827186), (7, 4137588), (9, 3218124), (12, 2413593), (13, 2227932), (14, 2068794), (18, 1609062), (21, 1379196), (26, 1113966), (27, 1072708), (28, 1034397), (36, 804531), (39, 742644), (42, 689598), (49, 591084), (52, 556983), (54, 536354), (63, 459732), (78, 371322), (84, 344799), (91, 318276), (98, 295542), (108, 268177), (117, 247548), (126, 229866), (147, 197028), (156, 185661), (182, 159138), (189, 153244), (196, 147771), (234, 123774), (252, 114933), (273, 106092), (294, 98514), (351, 82516), (364, 79569), (378, 76622), (421, 68796), (441, 65676), (468, 61887), (546, 53046), (588, 49257), (637, 45468), (702, 41258), (756, 38311), (819, 35364), (842, 34398), (882, 32838), (1092, 26523), (1263, 22932), (1274, 22734), (1323, 21892), (1404, 20629), (1638, 17682), (1684, 17199), (1764, 16419), (1911, 15156), (2457, 11788), (2526, 11466), (2548, 11367), (2646, 10946), (2947, 9828), (3276, 8841), (3789, 7644), (3822, 7578), (4914, 5894), (5052, 5733), (5292, 5473)]