28783248

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1$

素因数の和:456

約数の個数: 80

約数和(自身を含む): 80828160

約数和(自身を除く): 52044912

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 193, 208, 239, 312, 386, 478, 579, 624, 717, 772, 956, 1158, 1434, 1544, 1912, 2316, 2509, 2868, 3088, 3107, 3824, 4632, 5018, 5736, 6214, 7527, 9264, 9321, 10036, 11472, 12428, 15054, 18642, 20072, 24856, 30108, 37284, 40144, 46127, 49712, 60216, 74568, 92254, 120432, 138381, 149136, 184508, 276762, 369016, 553524, 599651, 738032, 1107048, 1199302, 1798953, 2214096, 2398604, 3597906, 4797208, 7195812, 9594416, 14391624, 28783248]

約数ペア:

[(1, 28783248), (2, 14391624), (3, 9594416), (4, 7195812), (6, 4797208), (8, 3597906), (12, 2398604), (13, 2214096), (16, 1798953), (24, 1199302), (26, 1107048), (39, 738032), (48, 599651), (52, 553524), (78, 369016), (104, 276762), (156, 184508), (193, 149136), (208, 138381), (239, 120432), (312, 92254), (386, 74568), (478, 60216), (579, 49712), (624, 46127), (717, 40144), (772, 37284), (956, 30108), (1158, 24856), (1434, 20072), (1544, 18642), (1912, 15054), (2316, 12428), (2509, 11472), (2868, 10036), (3088, 9321), (3107, 9264), (3824, 7527), (4632, 6214), (5018, 5736)]