28736700928

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{64439}}^1$

素因数の和:64537

約数の個数: 80

約数和(自身を含む): 62757858240

約数和(自身を除く): 34021157312

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 128, 134, 208, 256, 268, 416, 512, 536, 832, 871, 1072, 1664, 1742, 2144, 3328, 3484, 4288, 6656, 6968, 8576, 13936, 17152, 27872, 34304, 55744, 64439, 111488, 128878, 222976, 257756, 445952, 515512, 837707, 1031024, 1675414, 2062048, 3350828, 4124096, 4317413, 6701656, 8248192, 8634826, 13403312, 16496384, 17269652, 26806624, 32992768, 34539304, 53613248, 56126369, 69078608, 107226496, 112252738, 138157216, 214452992, 224505476, 276314432, 428905984, 449010952, 552628864, 898021904, 1105257728, 1796043808, 2210515456, 3592087616, 7184175232, 14368350464, 28736700928]

約数ペア:

[(1, 28736700928), (2, 14368350464), (4, 7184175232), (8, 3592087616), (13, 2210515456), (16, 1796043808), (26, 1105257728), (32, 898021904), (52, 552628864), (64, 449010952), (67, 428905984), (104, 276314432), (128, 224505476), (134, 214452992), (208, 138157216), (256, 112252738), (268, 107226496), (416, 69078608), (512, 56126369), (536, 53613248), (832, 34539304), (871, 32992768), (1072, 26806624), (1664, 17269652), (1742, 16496384), (2144, 13403312), (3328, 8634826), (3484, 8248192), (4288, 6701656), (6656, 4317413), (6968, 4124096), (8576, 3350828), (13936, 2062048), (17152, 1675414), (27872, 1031024), (34304, 837707), (55744, 515512), (64439, 445952), (111488, 257756), (128878, 222976)]