28832188

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:383

約数の個数: 72

約数和(自身を含む): 65729664

約数和(自身を除く): 36897476

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 49, 77, 86, 98, 154, 172, 196, 301, 308, 311, 473, 539, 602, 622, 946, 1078, 1204, 1244, 1892, 2107, 2156, 2177, 3311, 3421, 4214, 4354, 6622, 6842, 8428, 8708, 13244, 13373, 13684, 15239, 23177, 23947, 26746, 30478, 46354, 47894, 53492, 60956, 92708, 93611, 95788, 147103, 167629, 187222, 294206, 335258, 374444, 588412, 655277, 670516, 1029721, 1310554, 2059442, 2621108, 4118884, 7208047, 14416094, 28832188]

約数ペア:

[(1, 28832188), (2, 14416094), (4, 7208047), (7, 4118884), (11, 2621108), (14, 2059442), (22, 1310554), (28, 1029721), (43, 670516), (44, 655277), (49, 588412), (77, 374444), (86, 335258), (98, 294206), (154, 187222), (172, 167629), (196, 147103), (301, 95788), (308, 93611), (311, 92708), (473, 60956), (539, 53492), (602, 47894), (622, 46354), (946, 30478), (1078, 26746), (1204, 23947), (1244, 23177), (1892, 15239), (2107, 13684), (2156, 13373), (2177, 13244), (3311, 8708), (3421, 8428), (4214, 6842), (4354, 6622)]