28867992

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:153

約数の個数: 128

約数和(自身を含む): 82080000

約数和(自身を除く): 53212008

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 29, 37, 38, 57, 58, 59, 74, 76, 87, 111, 114, 116, 118, 148, 152, 174, 177, 222, 228, 232, 236, 296, 348, 354, 444, 456, 472, 551, 696, 703, 708, 888, 1073, 1102, 1121, 1406, 1416, 1653, 1711, 2109, 2146, 2183, 2204, 2242, 2812, 3219, 3306, 3363, 3422, 4218, 4292, 4366, 4408, 4484, 5133, 5624, 6438, 6549, 6612, 6726, 6844, 8436, 8584, 8732, 8968, 10266, 12876, 13098, 13224, 13452, 13688, 16872, 17464, 20387, 20532, 25752, 26196, 26904, 32509, 40774, 41064, 41477, 52392, 61161, 63307, 65018, 81548, 82954, 97527, 122322, 124431, 126614, 130036, 163096, 165908, 189921, 195054, 244644, 248862, 253228, 260072, 331816, 379842, 390108, 489288, 497724, 506456, 759684, 780216, 995448, 1202833, 1519368, 2405666, 3608499, 4811332, 7216998, 9622664, 14433996, 28867992]

約数ペア:

[(1, 28867992), (2, 14433996), (3, 9622664), (4, 7216998), (6, 4811332), (8, 3608499), (12, 2405666), (19, 1519368), (24, 1202833), (29, 995448), (37, 780216), (38, 759684), (57, 506456), (58, 497724), (59, 489288), (74, 390108), (76, 379842), (87, 331816), (111, 260072), (114, 253228), (116, 248862), (118, 244644), (148, 195054), (152, 189921), (174, 165908), (177, 163096), (222, 130036), (228, 126614), (232, 124431), (236, 122322), (296, 97527), (348, 82954), (354, 81548), (444, 65018), (456, 63307), (472, 61161), (551, 52392), (696, 41477), (703, 41064), (708, 40774), (888, 32509), (1073, 26904), (1102, 26196), (1121, 25752), (1406, 20532), (1416, 20387), (1653, 17464), (1711, 16872), (2109, 13688), (2146, 13452), (2183, 13224), (2204, 13098), (2242, 12876), (2812, 10266), (3219, 8968), (3306, 8732), (3363, 8584), (3422, 8436), (4218, 6844), (4292, 6726), (4366, 6612), (4408, 6549), (4484, 6438), (5133, 5624)]