123814912

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:235

約数の個数: 88

約数和(自身を含む): 272365632

約数和(自身を除く): 148550720

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 71, 104, 128, 131, 142, 208, 256, 262, 284, 416, 512, 524, 568, 832, 923, 1024, 1048, 1136, 1664, 1703, 1846, 2096, 2272, 3328, 3406, 3692, 4192, 4544, 6656, 6812, 7384, 8384, 9088, 9301, 13312, 13624, 14768, 16768, 18176, 18602, 27248, 29536, 33536, 36352, 37204, 54496, 59072, 67072, 72704, 74408, 108992, 118144, 120913, 134144, 148816, 217984, 236288, 241826, 297632, 435968, 472576, 483652, 595264, 871936, 945152, 967304, 1190528, 1743872, 1934608, 2381056, 3869216, 4762112, 7738432, 9524224, 15476864, 30953728, 61907456, 123814912]

約数ペア:

[(1, 123814912), (2, 61907456), (4, 30953728), (8, 15476864), (13, 9524224), (16, 7738432), (26, 4762112), (32, 3869216), (52, 2381056), (64, 1934608), (71, 1743872), (104, 1190528), (128, 967304), (131, 945152), (142, 871936), (208, 595264), (256, 483652), (262, 472576), (284, 435968), (416, 297632), (512, 241826), (524, 236288), (568, 217984), (832, 148816), (923, 134144), (1024, 120913), (1048, 118144), (1136, 108992), (1664, 74408), (1703, 72704), (1846, 67072), (2096, 59072), (2272, 54496), (3328, 37204), (3406, 36352), (3692, 33536), (4192, 29536), (4544, 27248), (6656, 18602), (6812, 18176), (7384, 16768), (8384, 14768), (9088, 13624), (9301, 13312)]