81484786.000000000

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2663}}^1$

素因数の和:2717

約数の個数: 72

約数和(自身を含む): 348493824

約数和(自身を除く): 200558848

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, 868, 896, 992, 1736, 1792, 1984, 2663, 3472, 3968, 5326, 6944, 7936, 10652, 13888, 18641, 21304, 27776, 37282, 42608, 55552, 74564, 82553, 85216, 149128, 165106, 170432, 298256, 330212, 340864, 577871, 596512, 660424, 681728, 1155742, 1193024, 1320848, 2311484, 2386048, 2641696, 4622968, 4772096, 5283392, 9245936, 10566784, 18491872, 21133568, 36983744, 73967488, 147934976]

約数ペア:

[(1, 147934976), (2, 73967488), (4, 36983744), (7, 21133568), (8, 18491872), (14, 10566784), (16, 9245936), (28, 5283392), (31, 4772096), (32, 4622968), (56, 2641696), (62, 2386048), (64, 2311484), (112, 1320848), (124, 1193024), (128, 1155742), (217, 681728), (224, 660424), (248, 596512), (256, 577871), (434, 340864), (448, 330212), (496, 298256), (868, 170432), (896, 165106), (992, 149128), (1736, 85216), (1792, 82553), (1984, 74564), (2663, 55552), (3472, 42608), (3968, 37282), (5326, 27776), (6944, 21304), (7936, 18641), (10652, 13888)]