28727688

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:247

約数の個数: 128

約数和(自身を含む): 85691520

約数和(自身を除く): 56963832

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 37, 44, 51, 66, 68, 74, 88, 102, 111, 132, 136, 148, 173, 187, 204, 222, 264, 296, 346, 374, 407, 408, 444, 519, 561, 629, 692, 748, 814, 888, 1038, 1122, 1221, 1258, 1384, 1496, 1628, 1887, 1903, 2076, 2244, 2442, 2516, 2941, 3256, 3774, 3806, 4152, 4488, 4884, 5032, 5709, 5882, 6401, 6919, 7548, 7612, 8823, 9768, 11418, 11764, 12802, 13838, 15096, 15224, 17646, 19203, 20757, 22836, 23528, 25604, 27676, 32351, 35292, 38406, 41514, 45672, 51208, 55352, 64702, 70411, 70584, 76812, 83028, 97053, 108817, 129404, 140822, 153624, 166056, 194106, 211233, 217634, 258808, 281644, 326451, 388212, 422466, 435268, 563288, 652902, 776424, 844932, 870536, 1196987, 1305804, 1689864, 2393974, 2611608, 3590961, 4787948, 7181922, 9575896, 14363844, 28727688]

約数ペア:

[(1, 28727688), (2, 14363844), (3, 9575896), (4, 7181922), (6, 4787948), (8, 3590961), (11, 2611608), (12, 2393974), (17, 1689864), (22, 1305804), (24, 1196987), (33, 870536), (34, 844932), (37, 776424), (44, 652902), (51, 563288), (66, 435268), (68, 422466), (74, 388212), (88, 326451), (102, 281644), (111, 258808), (132, 217634), (136, 211233), (148, 194106), (173, 166056), (187, 153624), (204, 140822), (222, 129404), (264, 108817), (296, 97053), (346, 83028), (374, 76812), (407, 70584), (408, 70411), (444, 64702), (519, 55352), (561, 51208), (629, 45672), (692, 41514), (748, 38406), (814, 35292), (888, 32351), (1038, 27676), (1122, 25604), (1221, 23528), (1258, 22836), (1384, 20757), (1496, 19203), (1628, 17646), (1887, 15224), (1903, 15096), (2076, 13838), (2244, 12802), (2442, 11764), (2516, 11418), (2941, 9768), (3256, 8823), (3774, 7612), (3806, 7548), (4152, 6919), (4488, 6401), (4884, 5882), (5032, 5709)]