455081984

素因数分解:

$2^{21}\times 7^1\times {\mathrm{31}}^1$

素因数の和:80

約数の個数: 88

約数和(自身を含む): 1073741568

約数和(自身を除く): 618659584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 512, 868, 896, 992, 1024, 1736, 1792, 1984, 2048, 3472, 3584, 3968, 4096, 6944, 7168, 7936, 8192, 13888, 14336, 15872, 16384, 27776, 28672, 31744, 32768, 55552, 57344, 63488, 65536, 111104, 114688, 126976, 131072, 222208, 229376, 253952, 262144, 444416, 458752, 507904, 524288, 888832, 917504, 1015808, 1048576, 1777664, 1835008, 2031616, 2097152, 3555328, 3670016, 4063232, 7110656, 7340032, 8126464, 14221312, 14680064, 16252928, 28442624, 32505856, 56885248, 65011712, 113770496, 227540992, 455081984]

約数ペア:

[(1, 455081984), (2, 227540992), (4, 113770496), (7, 65011712), (8, 56885248), (14, 32505856), (16, 28442624), (28, 16252928), (31, 14680064), (32, 14221312), (56, 8126464), (62, 7340032), (64, 7110656), (112, 4063232), (124, 3670016), (128, 3555328), (217, 2097152), (224, 2031616), (248, 1835008), (256, 1777664), (434, 1048576), (448, 1015808), (496, 917504), (512, 888832), (868, 524288), (896, 507904), (992, 458752), (1024, 444416), (1736, 262144), (1792, 253952), (1984, 229376), (2048, 222208), (3472, 131072), (3584, 126976), (3968, 114688), (4096, 111104), (6944, 65536), (7168, 63488), (7936, 57344), (8192, 55552), (13888, 32768), (14336, 31744), (15872, 28672), (16384, 27776)]