12687474016

素因数分解:

$2^5\times 7^1\times {\mathrm{29}}^2\times {\mathrm{67349}}^1$

素因数の和:67424

約数の個数: 72

約数和(自身を含む): 29565572400

約数和(自身を除く): 16878098384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 112, 116, 203, 224, 232, 406, 464, 812, 841, 928, 1624, 1682, 3248, 3364, 5887, 6496, 6728, 11774, 13456, 23548, 26912, 47096, 67349, 94192, 134698, 188384, 269396, 471443, 538792, 942886, 1077584, 1885772, 1953121, 2155168, 3771544, 3906242, 7543088, 7812484, 13671847, 15086176, 15624968, 27343694, 31249936, 54687388, 56640509, 62499872, 109374776, 113281018, 218749552, 226562036, 396483563, 437499104, 453124072, 792967126, 906248144, 1585934252, 1812496288, 3171868504, 6343737008, 12687474016]

約数ペア:

[(1, 12687474016), (2, 6343737008), (4, 3171868504), (7, 1812496288), (8, 1585934252), (14, 906248144), (16, 792967126), (28, 453124072), (29, 437499104), (32, 396483563), (56, 226562036), (58, 218749552), (112, 113281018), (116, 109374776), (203, 62499872), (224, 56640509), (232, 54687388), (406, 31249936), (464, 27343694), (812, 15624968), (841, 15086176), (928, 13671847), (1624, 7812484), (1682, 7543088), (3248, 3906242), (3364, 3771544), (5887, 2155168), (6496, 1953121), (6728, 1885772), (11774, 1077584), (13456, 942886), (23548, 538792), (26912, 471443), (47096, 269396), (67349, 188384), (94192, 134698)]