28388052

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1$

素因数の和:72

約数の個数: 216

約数和(自身を含む): 96824000

約数和(自身を除く): 68435948

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 19, 21, 22, 28, 33, 36, 38, 42, 44, 49, 57, 63, 66, 76, 77, 84, 98, 99, 114, 121, 126, 132, 133, 147, 154, 171, 196, 198, 209, 228, 231, 242, 252, 266, 294, 308, 342, 343, 363, 396, 399, 418, 441, 462, 484, 532, 539, 588, 627, 684, 686, 693, 726, 798, 836, 847, 882, 924, 931, 1029, 1078, 1089, 1197, 1254, 1372, 1386, 1452, 1463, 1596, 1617, 1694, 1764, 1862, 1881, 2058, 2156, 2178, 2299, 2394, 2508, 2541, 2772, 2793, 2926, 3087, 3234, 3388, 3724, 3762, 3773, 4116, 4356, 4389, 4598, 4788, 4851, 5082, 5586, 5852, 5929, 6174, 6468, 6517, 6897, 7524, 7546, 7623, 8379, 8778, 9196, 9702, 10164, 10241, 11172, 11319, 11858, 12348, 13034, 13167, 13794, 15092, 15246, 16093, 16758, 17556, 17787, 19404, 19551, 20482, 20691, 22638, 23716, 26068, 26334, 27588, 30492, 30723, 32186, 33516, 33957, 35574, 39102, 40964, 41382, 41503, 45276, 48279, 52668, 53361, 58653, 61446, 64372, 67914, 71148, 71687, 78204, 82764, 83006, 92169, 96558, 106722, 112651, 117306, 122892, 124509, 135828, 143374, 144837, 166012, 184338, 193116, 213444, 215061, 225302, 234612, 249018, 286748, 289674, 337953, 368676, 373527, 430122, 450604, 498036, 579348, 645183, 675906, 747054, 788557, 860244, 1013859, 1290366, 1351812, 1494108, 1577114, 2027718, 2365671, 2580732, 3154228, 4055436, 4731342, 7097013, 9462684, 14194026, 28388052]

約数ペア:

[(1, 28388052), (2, 14194026), (3, 9462684), (4, 7097013), (6, 4731342), (7, 4055436), (9, 3154228), (11, 2580732), (12, 2365671), (14, 2027718), (18, 1577114), (19, 1494108), (21, 1351812), (22, 1290366), (28, 1013859), (33, 860244), (36, 788557), (38, 747054), (42, 675906), (44, 645183), (49, 579348), (57, 498036), (63, 450604), (66, 430122), (76, 373527), (77, 368676), (84, 337953), (98, 289674), (99, 286748), (114, 249018), (121, 234612), (126, 225302), (132, 215061), (133, 213444), (147, 193116), (154, 184338), (171, 166012), (196, 144837), (198, 143374), (209, 135828), (228, 124509), (231, 122892), (242, 117306), (252, 112651), (266, 106722), (294, 96558), (308, 92169), (342, 83006), (343, 82764), (363, 78204), (396, 71687), (399, 71148), (418, 67914), (441, 64372), (462, 61446), (484, 58653), (532, 53361), (539, 52668), (588, 48279), (627, 45276), (684, 41503), (686, 41382), (693, 40964), (726, 39102), (798, 35574), (836, 33957), (847, 33516), (882, 32186), (924, 30723), (931, 30492), (1029, 27588), (1078, 26334), (1089, 26068), (1197, 23716), (1254, 22638), (1372, 20691), (1386, 20482), (1452, 19551), (1463, 19404), (1596, 17787), (1617, 17556), (1694, 16758), (1764, 16093), (1862, 15246), (1881, 15092), (2058, 13794), (2156, 13167), (2178, 13034), (2299, 12348), (2394, 11858), (2508, 11319), (2541, 11172), (2772, 10241), (2793, 10164), (2926, 9702), (3087, 9196), (3234, 8778), (3388, 8379), (3724, 7623), (3762, 7546), (3773, 7524), (4116, 6897), (4356, 6517), (4389, 6468), (4598, 6174), (4788, 5929), (4851, 5852), (5082, 5586)]