257844736

素因数分解:

$2^9\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:303

約数の個数: 80

約数和(自身を含む): 538278048

約数和(自身を除く): 280433312

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 71, 82, 128, 142, 164, 173, 256, 284, 328, 346, 512, 568, 656, 692, 1136, 1312, 1384, 2272, 2624, 2768, 2911, 4544, 5248, 5536, 5822, 7093, 9088, 10496, 11072, 11644, 12283, 14186, 18176, 20992, 22144, 23288, 24566, 28372, 36352, 44288, 46576, 49132, 56744, 88576, 93152, 98264, 113488, 186304, 196528, 226976, 372608, 393056, 453952, 503603, 745216, 786112, 907904, 1007206, 1490432, 1572224, 1815808, 2014412, 3144448, 3631616, 4028824, 6288896, 8057648, 16115296, 32230592, 64461184, 128922368, 257844736]

約数ペア:

[(1, 257844736), (2, 128922368), (4, 64461184), (8, 32230592), (16, 16115296), (32, 8057648), (41, 6288896), (64, 4028824), (71, 3631616), (82, 3144448), (128, 2014412), (142, 1815808), (164, 1572224), (173, 1490432), (256, 1007206), (284, 907904), (328, 786112), (346, 745216), (512, 503603), (568, 453952), (656, 393056), (692, 372608), (1136, 226976), (1312, 196528), (1384, 186304), (2272, 113488), (2624, 98264), (2768, 93152), (2911, 88576), (4544, 56744), (5248, 49132), (5536, 46576), (5822, 44288), (7093, 36352), (9088, 28372), (10496, 24566), (11072, 23288), (11644, 22144), (12283, 20992), (14186, 18176)]