28619248

素因数分解:

$2^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:206

約数の個数: 80

約数和(自身を含む): 66424320

約数和(自身を除く): 37805072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 59, 61, 71, 112, 118, 122, 142, 236, 244, 284, 413, 427, 472, 488, 497, 568, 826, 854, 944, 976, 994, 1136, 1652, 1708, 1988, 3304, 3416, 3599, 3976, 4189, 4331, 6608, 6832, 7198, 7952, 8378, 8662, 14396, 16756, 17324, 25193, 28792, 29323, 30317, 33512, 34648, 50386, 57584, 58646, 60634, 67024, 69296, 100772, 117292, 121268, 201544, 234584, 242536, 255529, 403088, 469168, 485072, 511058, 1022116, 1788703, 2044232, 3577406, 4088464, 7154812, 14309624, 28619248]

約数ペア:

[(1, 28619248), (2, 14309624), (4, 7154812), (7, 4088464), (8, 3577406), (14, 2044232), (16, 1788703), (28, 1022116), (56, 511058), (59, 485072), (61, 469168), (71, 403088), (112, 255529), (118, 242536), (122, 234584), (142, 201544), (236, 121268), (244, 117292), (284, 100772), (413, 69296), (427, 67024), (472, 60634), (488, 58646), (497, 57584), (568, 50386), (826, 34648), (854, 33512), (944, 30317), (976, 29323), (994, 28792), (1136, 25193), (1652, 17324), (1708, 16756), (1988, 14396), (3304, 8662), (3416, 8378), (3599, 7952), (3976, 7198), (4189, 6832), (4331, 6608)]