16566784

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:181

約数の個数: 80

約数和(自身を含む): 37810080

約数和(自身を除く): 21243296

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 131, 152, 208, 247, 256, 262, 304, 416, 494, 512, 524, 608, 832, 988, 1048, 1216, 1664, 1703, 1976, 2096, 2432, 2489, 3328, 3406, 3952, 4192, 4864, 4978, 6656, 6812, 7904, 8384, 9728, 9956, 13624, 15808, 16768, 19912, 27248, 31616, 32357, 33536, 39824, 54496, 63232, 64714, 67072, 79648, 108992, 126464, 129428, 159296, 217984, 258856, 318592, 435968, 517712, 637184, 871936, 1035424, 1274368, 2070848, 4141696, 8283392, 16566784]

約数ペア:

[(1, 16566784), (2, 8283392), (4, 4141696), (8, 2070848), (13, 1274368), (16, 1035424), (19, 871936), (26, 637184), (32, 517712), (38, 435968), (52, 318592), (64, 258856), (76, 217984), (104, 159296), (128, 129428), (131, 126464), (152, 108992), (208, 79648), (247, 67072), (256, 64714), (262, 63232), (304, 54496), (416, 39824), (494, 33536), (512, 32357), (524, 31616), (608, 27248), (832, 19912), (988, 16768), (1048, 15808), (1216, 13624), (1664, 9956), (1703, 9728), (1976, 8384), (2096, 7904), (2432, 6812), (2489, 6656), (3328, 4978), (3406, 4864), (3952, 4192)]