208621568

素因数分解:

$2^{12}\times {\mathrm{31}}^2\times {\mathrm{53}}^1$

素因数の和:139

約数の個数: 78

約数和(自身を含む): 439217802

約数和(自身を除く): 230596234

約数列:

[1, 2, 4, 8, 16, 31, 32, 53, 62, 64, 106, 124, 128, 212, 248, 256, 424, 496, 512, 848, 961, 992, 1024, 1643, 1696, 1922, 1984, 2048, 3286, 3392, 3844, 3968, 4096, 6572, 6784, 7688, 7936, 13144, 13568, 15376, 15872, 26288, 27136, 30752, 31744, 50933, 52576, 54272, 61504, 63488, 101866, 105152, 108544, 123008, 126976, 203732, 210304, 217088, 246016, 407464, 420608, 492032, 814928, 841216, 984064, 1629856, 1682432, 1968128, 3259712, 3364864, 3936256, 6519424, 6729728, 13038848, 26077696, 52155392, 104310784, 208621568]

約数ペア:

[(1, 208621568), (2, 104310784), (4, 52155392), (8, 26077696), (16, 13038848), (31, 6729728), (32, 6519424), (53, 3936256), (62, 3364864), (64, 3259712), (106, 1968128), (124, 1682432), (128, 1629856), (212, 984064), (248, 841216), (256, 814928), (424, 492032), (496, 420608), (512, 407464), (848, 246016), (961, 217088), (992, 210304), (1024, 203732), (1643, 126976), (1696, 123008), (1922, 108544), (1984, 105152), (2048, 101866), (3286, 63488), (3392, 61504), (3844, 54272), (3968, 52576), (4096, 50933), (6572, 31744), (6784, 30752), (7688, 27136), (7936, 26288), (13144, 15872), (13568, 15376)]