28468836

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 84651840

約数和(自身を除く): 56183004

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 29, 33, 36, 37, 44, 58, 66, 67, 74, 87, 99, 111, 116, 132, 134, 148, 174, 198, 201, 222, 261, 268, 319, 333, 348, 396, 402, 407, 444, 522, 603, 638, 666, 737, 804, 814, 957, 1044, 1073, 1206, 1221, 1276, 1332, 1474, 1628, 1914, 1943, 2146, 2211, 2412, 2442, 2479, 2871, 2948, 3219, 3663, 3828, 3886, 4292, 4422, 4884, 4958, 5742, 5829, 6438, 6633, 7326, 7437, 7772, 8844, 9657, 9916, 11484, 11658, 11803, 12876, 13266, 14652, 14874, 17487, 19314, 21373, 22311, 23316, 23606, 26532, 27269, 29748, 34974, 35409, 38628, 42746, 44622, 47212, 54538, 64119, 69948, 70818, 71891, 81807, 85492, 89244, 106227, 109076, 128238, 141636, 143782, 163614, 192357, 212454, 215673, 245421, 256476, 287564, 327228, 384714, 424908, 431346, 490842, 647019, 769428, 790801, 862692, 981684, 1294038, 1581602, 2372403, 2588076, 3163204, 4744806, 7117209, 9489612, 14234418, 28468836]

約数ペア:

[(1, 28468836), (2, 14234418), (3, 9489612), (4, 7117209), (6, 4744806), (9, 3163204), (11, 2588076), (12, 2372403), (18, 1581602), (22, 1294038), (29, 981684), (33, 862692), (36, 790801), (37, 769428), (44, 647019), (58, 490842), (66, 431346), (67, 424908), (74, 384714), (87, 327228), (99, 287564), (111, 256476), (116, 245421), (132, 215673), (134, 212454), (148, 192357), (174, 163614), (198, 143782), (201, 141636), (222, 128238), (261, 109076), (268, 106227), (319, 89244), (333, 85492), (348, 81807), (396, 71891), (402, 70818), (407, 69948), (444, 64119), (522, 54538), (603, 47212), (638, 44622), (666, 42746), (737, 38628), (804, 35409), (814, 34974), (957, 29748), (1044, 27269), (1073, 26532), (1206, 23606), (1221, 23316), (1276, 22311), (1332, 21373), (1474, 19314), (1628, 17487), (1914, 14874), (1943, 14652), (2146, 13266), (2211, 12876), (2412, 11803), (2442, 11658), (2479, 11484), (2871, 9916), (2948, 9657), (3219, 8844), (3663, 7772), (3828, 7437), (3886, 7326), (4292, 6633), (4422, 6438), (4884, 5829), (4958, 5742)]