28931364

素因数分解:

$2^2\times 3^3\times 7^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1$

素因数の和:116

約数の個数: 192

約数和(自身を含む): 96768000

約数和(自身を除く): 67836636

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 49, 54, 63, 66, 71, 77, 84, 98, 99, 108, 126, 132, 142, 147, 154, 189, 196, 198, 213, 231, 252, 284, 294, 297, 308, 343, 378, 396, 426, 441, 462, 497, 539, 588, 594, 639, 686, 693, 756, 781, 852, 882, 924, 994, 1029, 1078, 1188, 1278, 1323, 1372, 1386, 1491, 1562, 1617, 1764, 1917, 1988, 2058, 2079, 2156, 2343, 2556, 2646, 2772, 2982, 3087, 3124, 3234, 3479, 3773, 3834, 4116, 4158, 4473, 4686, 4851, 5292, 5467, 5964, 6174, 6468, 6958, 7029, 7546, 7668, 8316, 8946, 9261, 9372, 9702, 10437, 10934, 11319, 12348, 13419, 13916, 14058, 14553, 15092, 16401, 17892, 18522, 19404, 20874, 21087, 21868, 22638, 24353, 26838, 28116, 29106, 31311, 32802, 33957, 37044, 38269, 41748, 42174, 45276, 48706, 49203, 53676, 58212, 62622, 65604, 67914, 73059, 76538, 84348, 93933, 97412, 98406, 101871, 114807, 125244, 135828, 146118, 147609, 153076, 187866, 196812, 203742, 219177, 229614, 267883, 292236, 295218, 344421, 375732, 407484, 438354, 459228, 535766, 590436, 657531, 688842, 803649, 876708, 1033263, 1071532, 1315062, 1377684, 1607298, 2066526, 2410947, 2630124, 3214596, 4133052, 4821894, 7232841, 9643788, 14465682, 28931364]

約数ペア:

[(1, 28931364), (2, 14465682), (3, 9643788), (4, 7232841), (6, 4821894), (7, 4133052), (9, 3214596), (11, 2630124), (12, 2410947), (14, 2066526), (18, 1607298), (21, 1377684), (22, 1315062), (27, 1071532), (28, 1033263), (33, 876708), (36, 803649), (42, 688842), (44, 657531), (49, 590436), (54, 535766), (63, 459228), (66, 438354), (71, 407484), (77, 375732), (84, 344421), (98, 295218), (99, 292236), (108, 267883), (126, 229614), (132, 219177), (142, 203742), (147, 196812), (154, 187866), (189, 153076), (196, 147609), (198, 146118), (213, 135828), (231, 125244), (252, 114807), (284, 101871), (294, 98406), (297, 97412), (308, 93933), (343, 84348), (378, 76538), (396, 73059), (426, 67914), (441, 65604), (462, 62622), (497, 58212), (539, 53676), (588, 49203), (594, 48706), (639, 45276), (686, 42174), (693, 41748), (756, 38269), (781, 37044), (852, 33957), (882, 32802), (924, 31311), (994, 29106), (1029, 28116), (1078, 26838), (1188, 24353), (1278, 22638), (1323, 21868), (1372, 21087), (1386, 20874), (1491, 19404), (1562, 18522), (1617, 17892), (1764, 16401), (1917, 15092), (1988, 14553), (2058, 14058), (2079, 13916), (2156, 13419), (2343, 12348), (2556, 11319), (2646, 10934), (2772, 10437), (2982, 9702), (3087, 9372), (3124, 9261), (3234, 8946), (3479, 8316), (3773, 7668), (3834, 7546), (4116, 7029), (4158, 6958), (4473, 6468), (4686, 6174), (4851, 5964), (5292, 5467)]