221471744

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:291

約数の個数: 88

約数和(自身を含む): 484205568

約数和(自身を除く): 262733824

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 127, 128, 131, 208, 254, 256, 262, 416, 508, 512, 524, 832, 1016, 1024, 1048, 1651, 1664, 1703, 2032, 2096, 3302, 3328, 3406, 4064, 4192, 6604, 6656, 6812, 8128, 8384, 13208, 13312, 13624, 16256, 16637, 16768, 26416, 27248, 32512, 33274, 33536, 52832, 54496, 65024, 66548, 67072, 105664, 108992, 130048, 133096, 134144, 211328, 216281, 217984, 266192, 422656, 432562, 435968, 532384, 845312, 865124, 871936, 1064768, 1690624, 1730248, 1743872, 2129536, 3460496, 4259072, 6920992, 8518144, 13841984, 17036288, 27683968, 55367936, 110735872, 221471744]

約数ペア:

[(1, 221471744), (2, 110735872), (4, 55367936), (8, 27683968), (13, 17036288), (16, 13841984), (26, 8518144), (32, 6920992), (52, 4259072), (64, 3460496), (104, 2129536), (127, 1743872), (128, 1730248), (131, 1690624), (208, 1064768), (254, 871936), (256, 865124), (262, 845312), (416, 532384), (508, 435968), (512, 432562), (524, 422656), (832, 266192), (1016, 217984), (1024, 216281), (1048, 211328), (1651, 134144), (1664, 133096), (1703, 130048), (2032, 108992), (2096, 105664), (3302, 67072), (3328, 66548), (3406, 65024), (4064, 54496), (4192, 52832), (6604, 33536), (6656, 33274), (6812, 32512), (8128, 27248), (8384, 26416), (13208, 16768), (13312, 16637), (13624, 16256)]