81511248

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18661}}^1$

素因数の和:18692

約数の個数: 80

約数和(自身を含む): 259177856

約数和(自身を除く): 177666608

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 112, 156, 168, 182, 208, 273, 312, 336, 364, 546, 624, 728, 1092, 1456, 2184, 4368, 18661, 37322, 55983, 74644, 111966, 130627, 149288, 223932, 242593, 261254, 298576, 391881, 447864, 485186, 522508, 727779, 783762, 895728, 970372, 1045016, 1455558, 1567524, 1698151, 1940744, 2090032, 2911116, 3135048, 3396302, 3881488, 5094453, 5822232, 6270096, 6792604, 10188906, 11644464, 13585208, 20377812, 27170416, 40755624, 81511248]

約数ペア:

[(1, 81511248), (2, 40755624), (3, 27170416), (4, 20377812), (6, 13585208), (7, 11644464), (8, 10188906), (12, 6792604), (13, 6270096), (14, 5822232), (16, 5094453), (21, 3881488), (24, 3396302), (26, 3135048), (28, 2911116), (39, 2090032), (42, 1940744), (48, 1698151), (52, 1567524), (56, 1455558), (78, 1045016), (84, 970372), (91, 895728), (104, 783762), (112, 727779), (156, 522508), (168, 485186), (182, 447864), (208, 391881), (273, 298576), (312, 261254), (336, 242593), (364, 223932), (546, 149288), (624, 130627), (728, 111966), (1092, 74644), (1456, 55983), (2184, 37322), (4368, 18661)]