51161968

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{379}}^1$

素因数の和:470

約数の個数: 80

約数和(自身を含む): 118742400

約数和(自身を除く): 67580432

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 59, 88, 104, 118, 143, 176, 208, 236, 286, 379, 472, 572, 649, 758, 767, 944, 1144, 1298, 1516, 1534, 2288, 2596, 3032, 3068, 4169, 4927, 5192, 6064, 6136, 8338, 8437, 9854, 10384, 12272, 16676, 16874, 19708, 22361, 33352, 33748, 39416, 44722, 54197, 66704, 67496, 78832, 89444, 108394, 134992, 178888, 216788, 245971, 290693, 357776, 433576, 491942, 581386, 867152, 983884, 1162772, 1967768, 2325544, 3197623, 3935536, 4651088, 6395246, 12790492, 25580984, 51161968]

約数ペア:

[(1, 51161968), (2, 25580984), (4, 12790492), (8, 6395246), (11, 4651088), (13, 3935536), (16, 3197623), (22, 2325544), (26, 1967768), (44, 1162772), (52, 983884), (59, 867152), (88, 581386), (104, 491942), (118, 433576), (143, 357776), (176, 290693), (208, 245971), (236, 216788), (286, 178888), (379, 134992), (472, 108394), (572, 89444), (649, 78832), (758, 67496), (767, 66704), (944, 54197), (1144, 44722), (1298, 39416), (1516, 33748), (1534, 33352), (2288, 22361), (2596, 19708), (3032, 16874), (3068, 16676), (4169, 12272), (4927, 10384), (5192, 9854), (6064, 8437), (6136, 8338)]