728014749

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2083}}^1$

素因数の和:2210

約数の個数: 64

約数和(自身を含む): 1296414720

約数和(自身を除く): 568399971

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 89, 119, 187, 231, 267, 357, 561, 623, 979, 1309, 1513, 1869, 2083, 2937, 3927, 4539, 6249, 6853, 10591, 14581, 16643, 20559, 22913, 31773, 35411, 43743, 49929, 68739, 106233, 116501, 160391, 185387, 247877, 349503, 389521, 481173, 556161, 743631, 1168563, 1297709, 2039257, 2726647, 3151579, 3893127, 6117771, 8179941, 9454737, 14274799, 22061053, 34667369, 42824397, 66183159, 104002107, 242671583, 728014749]

約数ペア:

[(1, 728014749), (3, 242671583), (7, 104002107), (11, 66183159), (17, 42824397), (21, 34667369), (33, 22061053), (51, 14274799), (77, 9454737), (89, 8179941), (119, 6117771), (187, 3893127), (231, 3151579), (267, 2726647), (357, 2039257), (561, 1297709), (623, 1168563), (979, 743631), (1309, 556161), (1513, 481173), (1869, 389521), (2083, 349503), (2937, 247877), (3927, 185387), (4539, 160391), (6249, 116501), (6853, 106233), (10591, 68739), (14581, 49929), (16643, 43743), (20559, 35411), (22913, 31773)]