28388072

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 58786560

約数和(自身を除く): 30398488

約数列:

[1, 2, 4, 8, 23, 41, 46, 53, 71, 82, 92, 106, 142, 164, 184, 212, 284, 328, 424, 568, 943, 1219, 1633, 1886, 2173, 2438, 2911, 3266, 3763, 3772, 4346, 4876, 5822, 6532, 7526, 7544, 8692, 9752, 11644, 13064, 15052, 17384, 23288, 30104, 49979, 66953, 86549, 99958, 133906, 154283, 173098, 199916, 267812, 308566, 346196, 399832, 535624, 617132, 692392, 1234264, 3548509, 7097018, 14194036, 28388072]

約数ペア:

[(1, 28388072), (2, 14194036), (4, 7097018), (8, 3548509), (23, 1234264), (41, 692392), (46, 617132), (53, 535624), (71, 399832), (82, 346196), (92, 308566), (106, 267812), (142, 199916), (164, 173098), (184, 154283), (212, 133906), (284, 99958), (328, 86549), (424, 66953), (568, 49979), (943, 30104), (1219, 23288), (1633, 17384), (1886, 15052), (2173, 13064), (2438, 11644), (2911, 9752), (3266, 8692), (3763, 7544), (3772, 7526), (4346, 6532), (4876, 5822)]