81373952

素因数分解:

$2^8\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:146

約数の個数: 108

約数和(自身を含む): 185946768

約数和(自身を除く): 104572816

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 64, 71, 74, 88, 121, 128, 142, 148, 176, 242, 256, 284, 296, 352, 407, 484, 568, 592, 704, 781, 814, 968, 1136, 1184, 1408, 1562, 1628, 1936, 2272, 2368, 2627, 2816, 3124, 3256, 3872, 4477, 4544, 4736, 5254, 6248, 6512, 7744, 8591, 8954, 9088, 9472, 10508, 12496, 13024, 15488, 17182, 17908, 18176, 21016, 24992, 26048, 28897, 30976, 34364, 35816, 42032, 49984, 52096, 57794, 68728, 71632, 84064, 99968, 104192, 115588, 137456, 143264, 168128, 199936, 231176, 274912, 286528, 317867, 336256, 462352, 549824, 573056, 635734, 672512, 924704, 1099648, 1146112, 1271468, 1849408, 2199296, 2542936, 3698816, 5085872, 7397632, 10171744, 20343488, 40686976, 81373952]

約数ペア:

[(1, 81373952), (2, 40686976), (4, 20343488), (8, 10171744), (11, 7397632), (16, 5085872), (22, 3698816), (32, 2542936), (37, 2199296), (44, 1849408), (64, 1271468), (71, 1146112), (74, 1099648), (88, 924704), (121, 672512), (128, 635734), (142, 573056), (148, 549824), (176, 462352), (242, 336256), (256, 317867), (284, 286528), (296, 274912), (352, 231176), (407, 199936), (484, 168128), (568, 143264), (592, 137456), (704, 115588), (781, 104192), (814, 99968), (968, 84064), (1136, 71632), (1184, 68728), (1408, 57794), (1562, 52096), (1628, 49984), (1936, 42032), (2272, 35816), (2368, 34364), (2627, 30976), (2816, 28897), (3124, 26048), (3256, 24992), (3872, 21016), (4477, 18176), (4544, 17908), (4736, 17182), (5254, 15488), (6248, 13024), (6512, 12496), (7744, 10508), (8591, 9472), (8954, 9088)]