1991613792

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{128857}}^1$

素因数の和:128900

約数の個数: 96

約数和(自身を含む): 6234665472

約数和(自身を除く): 4243051680

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 46, 48, 56, 69, 84, 92, 96, 112, 138, 161, 168, 184, 224, 276, 322, 336, 368, 483, 552, 644, 672, 736, 966, 1104, 1288, 1932, 2208, 2576, 3864, 5152, 7728, 15456, 128857, 257714, 386571, 515428, 773142, 901999, 1030856, 1546284, 1803998, 2061712, 2705997, 2963711, 3092568, 3607996, 4123424, 5411994, 5927422, 6185136, 7215992, 8891133, 10823988, 11854844, 12370272, 14431984, 17782266, 20745977, 21647976, 23709688, 28863968, 35564532, 41491954, 43295952, 47419376, 62237931, 71129064, 82983908, 86591904, 94838752, 124475862, 142258128, 165967816, 248951724, 284516256, 331935632, 497903448, 663871264, 995806896, 1991613792]

約数ペア:

[(1, 1991613792), (2, 995806896), (3, 663871264), (4, 497903448), (6, 331935632), (7, 284516256), (8, 248951724), (12, 165967816), (14, 142258128), (16, 124475862), (21, 94838752), (23, 86591904), (24, 82983908), (28, 71129064), (32, 62237931), (42, 47419376), (46, 43295952), (48, 41491954), (56, 35564532), (69, 28863968), (84, 23709688), (92, 21647976), (96, 20745977), (112, 17782266), (138, 14431984), (161, 12370272), (168, 11854844), (184, 10823988), (224, 8891133), (276, 7215992), (322, 6185136), (336, 5927422), (368, 5411994), (483, 4123424), (552, 3607996), (644, 3092568), (672, 2963711), (736, 2705997), (966, 2061712), (1104, 1803998), (1288, 1546284), (1932, 1030856), (2208, 901999), (2576, 773142), (3864, 515428), (5152, 386571), (7728, 257714), (15456, 128857)]