25874992

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:338

約数の個数: 80

約数和(自身を含む): 60496128

約数和(自身を除く): 34621136

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 43, 44, 52, 86, 88, 104, 143, 172, 176, 208, 263, 286, 344, 473, 526, 559, 572, 688, 946, 1052, 1118, 1144, 1892, 2104, 2236, 2288, 2893, 3419, 3784, 4208, 4472, 5786, 6149, 6838, 7568, 8944, 11309, 11572, 12298, 13676, 22618, 23144, 24596, 27352, 37609, 45236, 46288, 49192, 54704, 75218, 90472, 98384, 124399, 147017, 150436, 180944, 248798, 294034, 300872, 497596, 588068, 601744, 995192, 1176136, 1617187, 1990384, 2352272, 3234374, 6468748, 12937496, 25874992]

約数ペア:

[(1, 25874992), (2, 12937496), (4, 6468748), (8, 3234374), (11, 2352272), (13, 1990384), (16, 1617187), (22, 1176136), (26, 995192), (43, 601744), (44, 588068), (52, 497596), (86, 300872), (88, 294034), (104, 248798), (143, 180944), (172, 150436), (176, 147017), (208, 124399), (263, 98384), (286, 90472), (344, 75218), (473, 54704), (526, 49192), (559, 46288), (572, 45236), (688, 37609), (946, 27352), (1052, 24596), (1118, 23144), (1144, 22618), (1892, 13676), (2104, 12298), (2236, 11572), (2288, 11309), (2893, 8944), (3419, 7568), (3784, 6838), (4208, 6149), (4472, 5786)]