28755328

素因数分解:

$2^7\times 7^1\times {\mathrm{67}}^1\times {\mathrm{479}}^1$

素因数の和:567

約数の個数: 64

約数和(自身を含む): 66585600

約数和(自身を除く): 37830272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 67, 112, 128, 134, 224, 268, 448, 469, 479, 536, 896, 938, 958, 1072, 1876, 1916, 2144, 3353, 3752, 3832, 4288, 6706, 7504, 7664, 8576, 13412, 15008, 15328, 26824, 30016, 30656, 32093, 53648, 60032, 61312, 64186, 107296, 128372, 214592, 224651, 256744, 429184, 449302, 513488, 898604, 1026976, 1797208, 2053952, 3594416, 4107904, 7188832, 14377664, 28755328]

約数ペア:

[(1, 28755328), (2, 14377664), (4, 7188832), (7, 4107904), (8, 3594416), (14, 2053952), (16, 1797208), (28, 1026976), (32, 898604), (56, 513488), (64, 449302), (67, 429184), (112, 256744), (128, 224651), (134, 214592), (224, 128372), (268, 107296), (448, 64186), (469, 61312), (479, 60032), (536, 53648), (896, 32093), (938, 30656), (958, 30016), (1072, 26824), (1876, 15328), (1916, 15008), (2144, 13412), (3353, 8576), (3752, 7664), (3832, 7504), (4288, 6706)]