256974848

素因数分解:

$2^{13}\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:185

約数の個数: 112

約数和(自身を含む): 587166720

約数和(自身を除く): 330191872

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 127, 128, 152, 208, 247, 254, 256, 304, 416, 494, 508, 512, 608, 832, 988, 1016, 1024, 1216, 1651, 1664, 1976, 2032, 2048, 2413, 2432, 3302, 3328, 3952, 4064, 4096, 4826, 4864, 6604, 6656, 7904, 8128, 8192, 9652, 9728, 13208, 13312, 15808, 16256, 19304, 19456, 26416, 26624, 31369, 31616, 32512, 38608, 38912, 52832, 53248, 62738, 63232, 65024, 77216, 77824, 105664, 106496, 125476, 126464, 130048, 154432, 155648, 211328, 250952, 252928, 260096, 308864, 422656, 501904, 505856, 520192, 617728, 845312, 1003808, 1011712, 1040384, 1235456, 1690624, 2007616, 2023424, 2470912, 3381248, 4015232, 4941824, 6762496, 8030464, 9883648, 13524992, 16060928, 19767296, 32121856, 64243712, 128487424, 256974848]

約数ペア:

[(1, 256974848), (2, 128487424), (4, 64243712), (8, 32121856), (13, 19767296), (16, 16060928), (19, 13524992), (26, 9883648), (32, 8030464), (38, 6762496), (52, 4941824), (64, 4015232), (76, 3381248), (104, 2470912), (127, 2023424), (128, 2007616), (152, 1690624), (208, 1235456), (247, 1040384), (254, 1011712), (256, 1003808), (304, 845312), (416, 617728), (494, 520192), (508, 505856), (512, 501904), (608, 422656), (832, 308864), (988, 260096), (1016, 252928), (1024, 250952), (1216, 211328), (1651, 155648), (1664, 154432), (1976, 130048), (2032, 126464), (2048, 125476), (2413, 106496), (2432, 105664), (3302, 77824), (3328, 77216), (3952, 65024), (4064, 63232), (4096, 62738), (4826, 53248), (4864, 52832), (6604, 38912), (6656, 38608), (7904, 32512), (8128, 31616), (8192, 31369), (9652, 26624), (9728, 26416), (13208, 19456), (13312, 19304), (15808, 16256)]