28791126

素因数分解:

$2^1\times 3^6\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:78

約数の個数: 168

約数和(自身を含む): 83732544

約数和(自身を除く): 54941418

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 31, 39, 42, 49, 54, 62, 63, 78, 81, 91, 93, 98, 117, 126, 147, 162, 182, 186, 189, 217, 234, 243, 273, 279, 294, 351, 378, 403, 434, 441, 486, 546, 558, 567, 637, 651, 702, 729, 806, 819, 837, 882, 1053, 1134, 1209, 1274, 1302, 1323, 1458, 1519, 1638, 1674, 1701, 1911, 1953, 2106, 2418, 2457, 2511, 2646, 2821, 3038, 3159, 3402, 3627, 3822, 3906, 3969, 4557, 4914, 5022, 5103, 5642, 5733, 5859, 6318, 7254, 7371, 7533, 7938, 8463, 9114, 9477, 10206, 10881, 11466, 11718, 11907, 13671, 14742, 15066, 16926, 17199, 17577, 18954, 19747, 21762, 22113, 22599, 23814, 25389, 27342, 32643, 34398, 35154, 35721, 39494, 41013, 44226, 45198, 50778, 51597, 52731, 59241, 65286, 66339, 71442, 76167, 82026, 97929, 103194, 105462, 118482, 123039, 132678, 152334, 154791, 158193, 177723, 195858, 228501, 246078, 293787, 309582, 316386, 355446, 369117, 457002, 464373, 533169, 587574, 685503, 738234, 928746, 1066338, 1107351, 1371006, 1599507, 2056509, 2214702, 3199014, 4113018, 4798521, 9597042, 14395563, 28791126]

約数ペア:

[(1, 28791126), (2, 14395563), (3, 9597042), (6, 4798521), (7, 4113018), (9, 3199014), (13, 2214702), (14, 2056509), (18, 1599507), (21, 1371006), (26, 1107351), (27, 1066338), (31, 928746), (39, 738234), (42, 685503), (49, 587574), (54, 533169), (62, 464373), (63, 457002), (78, 369117), (81, 355446), (91, 316386), (93, 309582), (98, 293787), (117, 246078), (126, 228501), (147, 195858), (162, 177723), (182, 158193), (186, 154791), (189, 152334), (217, 132678), (234, 123039), (243, 118482), (273, 105462), (279, 103194), (294, 97929), (351, 82026), (378, 76167), (403, 71442), (434, 66339), (441, 65286), (486, 59241), (546, 52731), (558, 51597), (567, 50778), (637, 45198), (651, 44226), (702, 41013), (729, 39494), (806, 35721), (819, 35154), (837, 34398), (882, 32643), (1053, 27342), (1134, 25389), (1209, 23814), (1274, 22599), (1302, 22113), (1323, 21762), (1458, 19747), (1519, 18954), (1638, 17577), (1674, 17199), (1701, 16926), (1911, 15066), (1953, 14742), (2106, 13671), (2418, 11907), (2457, 11718), (2511, 11466), (2646, 10881), (2821, 10206), (3038, 9477), (3159, 9114), (3402, 8463), (3627, 7938), (3822, 7533), (3906, 7371), (3969, 7254), (4557, 6318), (4914, 5859), (5022, 5733), (5103, 5642)]