28621936

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:350

約数の個数: 80

約数和(自身を含む): 67995648

約数和(自身を除く): 39373712

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 41, 46, 56, 82, 92, 112, 161, 164, 184, 271, 287, 322, 328, 368, 542, 574, 644, 656, 943, 1084, 1148, 1288, 1886, 1897, 2168, 2296, 2576, 3772, 3794, 4336, 4592, 6233, 6601, 7544, 7588, 11111, 12466, 13202, 15088, 15176, 22222, 24932, 26404, 30352, 43631, 44444, 49864, 52808, 77777, 87262, 88888, 99728, 105616, 155554, 174524, 177776, 255553, 311108, 349048, 511106, 622216, 698096, 1022212, 1244432, 1788871, 2044424, 3577742, 4088848, 7155484, 14310968, 28621936]

約数ペア:

[(1, 28621936), (2, 14310968), (4, 7155484), (7, 4088848), (8, 3577742), (14, 2044424), (16, 1788871), (23, 1244432), (28, 1022212), (41, 698096), (46, 622216), (56, 511106), (82, 349048), (92, 311108), (112, 255553), (161, 177776), (164, 174524), (184, 155554), (271, 105616), (287, 99728), (322, 88888), (328, 87262), (368, 77777), (542, 52808), (574, 49864), (644, 44444), (656, 43631), (943, 30352), (1084, 26404), (1148, 24932), (1288, 22222), (1886, 15176), (1897, 15088), (2168, 13202), (2296, 12466), (2576, 11111), (3772, 7588), (3794, 7544), (4336, 6601), (4592, 6233)]