64868864

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:177

約数の個数: 80

約数和(自身を含む): 138014976

約数和(自身を除く): 73146112

約数列:

[1, 2, 4, 8, 16, 31, 32, 61, 62, 64, 67, 122, 124, 128, 134, 244, 248, 256, 268, 488, 496, 512, 536, 976, 992, 1072, 1891, 1952, 1984, 2077, 2144, 3782, 3904, 3968, 4087, 4154, 4288, 7564, 7808, 7936, 8174, 8308, 8576, 15128, 15616, 15872, 16348, 16616, 17152, 30256, 31232, 32696, 33232, 34304, 60512, 65392, 66464, 121024, 126697, 130784, 132928, 242048, 253394, 261568, 265856, 484096, 506788, 523136, 531712, 968192, 1013576, 1046272, 1063424, 2027152, 2092544, 4054304, 8108608, 16217216, 32434432, 64868864]

約数ペア:

[(1, 64868864), (2, 32434432), (4, 16217216), (8, 8108608), (16, 4054304), (31, 2092544), (32, 2027152), (61, 1063424), (62, 1046272), (64, 1013576), (67, 968192), (122, 531712), (124, 523136), (128, 506788), (134, 484096), (244, 265856), (248, 261568), (256, 253394), (268, 242048), (488, 132928), (496, 130784), (512, 126697), (536, 121024), (976, 66464), (992, 65392), (1072, 60512), (1891, 34304), (1952, 33232), (1984, 32696), (2077, 31232), (2144, 30256), (3782, 17152), (3904, 16616), (3968, 16348), (4087, 15872), (4154, 15616), (4288, 15128), (7564, 8576), (7808, 8308), (7936, 8174)]