28271628

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:113

約数の個数: 216

約数和(自身を含む): 95606784

約数和(自身を除く): 67335156

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 31, 33, 36, 42, 44, 47, 49, 62, 63, 66, 77, 84, 93, 94, 98, 99, 124, 126, 132, 141, 147, 154, 186, 188, 196, 198, 217, 231, 252, 279, 282, 294, 308, 329, 341, 372, 396, 423, 434, 441, 462, 517, 539, 558, 564, 588, 651, 658, 682, 693, 846, 868, 882, 924, 987, 1023, 1034, 1078, 1116, 1302, 1316, 1364, 1386, 1457, 1519, 1551, 1617, 1692, 1764, 1953, 1974, 2046, 2068, 2156, 2303, 2387, 2604, 2772, 2914, 2961, 3038, 3069, 3102, 3234, 3619, 3906, 3948, 4092, 4371, 4557, 4606, 4653, 4774, 4851, 5828, 5922, 6076, 6138, 6204, 6468, 6909, 7161, 7238, 7812, 8742, 9114, 9212, 9306, 9548, 9702, 10199, 10857, 11844, 12276, 13113, 13671, 13818, 14322, 14476, 16027, 16709, 17484, 18228, 18612, 19404, 20398, 20727, 21483, 21714, 25333, 26226, 27342, 27636, 28644, 30597, 32054, 32571, 33418, 40796, 41454, 42966, 43428, 48081, 50127, 50666, 52452, 54684, 61194, 64108, 65142, 66836, 71393, 75999, 82908, 85932, 91791, 96162, 100254, 101332, 112189, 122388, 130284, 142786, 144243, 150381, 151998, 183582, 192324, 200508, 214179, 224378, 227997, 285572, 288486, 300762, 303996, 336567, 367164, 428358, 448756, 455994, 576972, 601524, 642537, 673134, 785323, 856716, 911988, 1009701, 1285074, 1346268, 1570646, 2019402, 2355969, 2570148, 3141292, 4038804, 4711938, 7067907, 9423876, 14135814, 28271628]

約数ペア:

[(1, 28271628), (2, 14135814), (3, 9423876), (4, 7067907), (6, 4711938), (7, 4038804), (9, 3141292), (11, 2570148), (12, 2355969), (14, 2019402), (18, 1570646), (21, 1346268), (22, 1285074), (28, 1009701), (31, 911988), (33, 856716), (36, 785323), (42, 673134), (44, 642537), (47, 601524), (49, 576972), (62, 455994), (63, 448756), (66, 428358), (77, 367164), (84, 336567), (93, 303996), (94, 300762), (98, 288486), (99, 285572), (124, 227997), (126, 224378), (132, 214179), (141, 200508), (147, 192324), (154, 183582), (186, 151998), (188, 150381), (196, 144243), (198, 142786), (217, 130284), (231, 122388), (252, 112189), (279, 101332), (282, 100254), (294, 96162), (308, 91791), (329, 85932), (341, 82908), (372, 75999), (396, 71393), (423, 66836), (434, 65142), (441, 64108), (462, 61194), (517, 54684), (539, 52452), (558, 50666), (564, 50127), (588, 48081), (651, 43428), (658, 42966), (682, 41454), (693, 40796), (846, 33418), (868, 32571), (882, 32054), (924, 30597), (987, 28644), (1023, 27636), (1034, 27342), (1078, 26226), (1116, 25333), (1302, 21714), (1316, 21483), (1364, 20727), (1386, 20398), (1457, 19404), (1519, 18612), (1551, 18228), (1617, 17484), (1692, 16709), (1764, 16027), (1953, 14476), (1974, 14322), (2046, 13818), (2068, 13671), (2156, 13113), (2303, 12276), (2387, 11844), (2604, 10857), (2772, 10199), (2914, 9702), (2961, 9548), (3038, 9306), (3069, 9212), (3102, 9114), (3234, 8742), (3619, 7812), (3906, 7238), (3948, 7161), (4092, 6909), (4371, 6468), (4557, 6204), (4606, 6138), (4653, 6076), (4774, 5922), (4851, 5828)]