28826512

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1$

素因数の和:368

約数の個数: 80

約数和(自身を含む): 67370688

約数和(自身を除く): 38544176

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 43, 44, 52, 86, 88, 104, 143, 172, 176, 208, 286, 293, 344, 473, 559, 572, 586, 688, 946, 1118, 1144, 1172, 1892, 2236, 2288, 2344, 3223, 3784, 3809, 4472, 4688, 6149, 6446, 7568, 7618, 8944, 12298, 12599, 12892, 15236, 24596, 25198, 25784, 30472, 41899, 49192, 50396, 51568, 60944, 83798, 98384, 100792, 138589, 163787, 167596, 201584, 277178, 327574, 335192, 554356, 655148, 670384, 1108712, 1310296, 1801657, 2217424, 2620592, 3603314, 7206628, 14413256, 28826512]

約数ペア:

[(1, 28826512), (2, 14413256), (4, 7206628), (8, 3603314), (11, 2620592), (13, 2217424), (16, 1801657), (22, 1310296), (26, 1108712), (43, 670384), (44, 655148), (52, 554356), (86, 335192), (88, 327574), (104, 277178), (143, 201584), (172, 167596), (176, 163787), (208, 138589), (286, 100792), (293, 98384), (344, 83798), (473, 60944), (559, 51568), (572, 50396), (586, 49192), (688, 41899), (946, 30472), (1118, 25784), (1144, 25198), (1172, 24596), (1892, 15236), (2236, 12892), (2288, 12599), (2344, 12298), (3223, 8944), (3784, 7618), (3809, 7568), (4472, 6446), (4688, 6149)]