123478208

素因数分解:

$2^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:590

約数の個数: 112

約数和(自身を含む): 306653184

約数和(自身を除く): 183174976

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 31, 32, 34, 56, 62, 64, 68, 112, 119, 124, 136, 217, 224, 238, 248, 272, 434, 448, 476, 496, 523, 527, 544, 868, 952, 992, 1046, 1054, 1088, 1736, 1904, 1984, 2092, 2108, 3472, 3661, 3689, 3808, 4184, 4216, 6944, 7322, 7378, 7616, 8368, 8432, 8891, 13888, 14644, 14756, 16213, 16736, 16864, 17782, 29288, 29512, 32426, 33472, 33728, 35564, 58576, 59024, 62237, 64852, 71128, 113491, 117152, 118048, 124474, 129704, 142256, 226982, 234304, 236096, 248948, 259408, 275621, 284512, 453964, 497896, 518816, 551242, 569024, 907928, 995792, 1037632, 1102484, 1815856, 1929347, 1991584, 2204968, 3631712, 3858694, 3983168, 4409936, 7263424, 7717388, 8819872, 15434776, 17639744, 30869552, 61739104, 123478208]

約数ペア:

[(1, 123478208), (2, 61739104), (4, 30869552), (7, 17639744), (8, 15434776), (14, 8819872), (16, 7717388), (17, 7263424), (28, 4409936), (31, 3983168), (32, 3858694), (34, 3631712), (56, 2204968), (62, 1991584), (64, 1929347), (68, 1815856), (112, 1102484), (119, 1037632), (124, 995792), (136, 907928), (217, 569024), (224, 551242), (238, 518816), (248, 497896), (272, 453964), (434, 284512), (448, 275621), (476, 259408), (496, 248948), (523, 236096), (527, 234304), (544, 226982), (868, 142256), (952, 129704), (992, 124474), (1046, 118048), (1054, 117152), (1088, 113491), (1736, 71128), (1904, 64852), (1984, 62237), (2092, 59024), (2108, 58576), (3472, 35564), (3661, 33728), (3689, 33472), (3808, 32426), (4184, 29512), (4216, 29288), (6944, 17782), (7322, 16864), (7378, 16736), (7616, 16213), (8368, 14756), (8432, 14644), (8891, 13888)]