28189728

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:164

約数の個数: 192

約数和(自身を含む): 96768000

約数和(自身を除く): 68578272

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 59, 63, 72, 79, 84, 96, 108, 112, 118, 126, 144, 158, 168, 177, 189, 216, 224, 236, 237, 252, 288, 316, 336, 354, 378, 413, 432, 472, 474, 504, 531, 553, 632, 672, 708, 711, 756, 826, 864, 944, 948, 1008, 1062, 1106, 1239, 1264, 1416, 1422, 1512, 1593, 1652, 1659, 1888, 1896, 2016, 2124, 2133, 2212, 2478, 2528, 2832, 2844, 3024, 3186, 3304, 3318, 3717, 3792, 4248, 4266, 4424, 4661, 4956, 4977, 5664, 5688, 6048, 6372, 6608, 6636, 7434, 7584, 8496, 8532, 8848, 9322, 9912, 9954, 11151, 11376, 12744, 13216, 13272, 13983, 14868, 14931, 16992, 17064, 17696, 18644, 19824, 19908, 22302, 22752, 25488, 26544, 27966, 29736, 29862, 32627, 34128, 37288, 39648, 39816, 41949, 44604, 50976, 53088, 55932, 59472, 59724, 65254, 68256, 74576, 79632, 83898, 89208, 97881, 111864, 118944, 119448, 125847, 130508, 149152, 159264, 167796, 178416, 195762, 223728, 238896, 251694, 261016, 293643, 335592, 356832, 391524, 447456, 477792, 503388, 522032, 587286, 671184, 783048, 880929, 1006776, 1044064, 1174572, 1342368, 1566096, 1761858, 2013552, 2349144, 3132192, 3523716, 4027104, 4698288, 7047432, 9396576, 14094864, 28189728]

約数ペア:

[(1, 28189728), (2, 14094864), (3, 9396576), (4, 7047432), (6, 4698288), (7, 4027104), (8, 3523716), (9, 3132192), (12, 2349144), (14, 2013552), (16, 1761858), (18, 1566096), (21, 1342368), (24, 1174572), (27, 1044064), (28, 1006776), (32, 880929), (36, 783048), (42, 671184), (48, 587286), (54, 522032), (56, 503388), (59, 477792), (63, 447456), (72, 391524), (79, 356832), (84, 335592), (96, 293643), (108, 261016), (112, 251694), (118, 238896), (126, 223728), (144, 195762), (158, 178416), (168, 167796), (177, 159264), (189, 149152), (216, 130508), (224, 125847), (236, 119448), (237, 118944), (252, 111864), (288, 97881), (316, 89208), (336, 83898), (354, 79632), (378, 74576), (413, 68256), (432, 65254), (472, 59724), (474, 59472), (504, 55932), (531, 53088), (553, 50976), (632, 44604), (672, 41949), (708, 39816), (711, 39648), (756, 37288), (826, 34128), (864, 32627), (944, 29862), (948, 29736), (1008, 27966), (1062, 26544), (1106, 25488), (1239, 22752), (1264, 22302), (1416, 19908), (1422, 19824), (1512, 18644), (1593, 17696), (1652, 17064), (1659, 16992), (1888, 14931), (1896, 14868), (2016, 13983), (2124, 13272), (2133, 13216), (2212, 12744), (2478, 11376), (2528, 11151), (2832, 9954), (2844, 9912), (3024, 9322), (3186, 8848), (3304, 8532), (3318, 8496), (3717, 7584), (3792, 7434), (4248, 6636), (4266, 6608), (4424, 6372), (4661, 6048), (4956, 5688), (4977, 5664)]