256499867136

素因数分解:

$2^9\times 3^1\times {\mathrm{1031}}^1\times {\mathrm{161971}}^1$

素因数の和:163023

約数の個数: 80

約数和(自身を含む): 683998685568

約数和(自身を除く): 427498818432

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1031, 1536, 2062, 3093, 4124, 6186, 8248, 12372, 16496, 24744, 32992, 49488, 65984, 98976, 131968, 161971, 197952, 263936, 323942, 395904, 485913, 527872, 647884, 791808, 971826, 1295768, 1583616, 1943652, 2591536, 3887304, 5183072, 7774608, 10366144, 15549216, 20732288, 31098432, 41464576, 62196864, 82929152, 124393728, 166992101, 248787456, 333984202, 500976303, 667968404, 1001952606, 1335936808, 2003905212, 2671873616, 4007810424, 5343747232, 8015620848, 10687494464, 16031241696, 21374988928, 32062483392, 42749977856, 64124966784, 85499955712, 128249933568, 256499867136]

約数ペア:

[(1, 256499867136), (2, 128249933568), (3, 85499955712), (4, 64124966784), (6, 42749977856), (8, 32062483392), (12, 21374988928), (16, 16031241696), (24, 10687494464), (32, 8015620848), (48, 5343747232), (64, 4007810424), (96, 2671873616), (128, 2003905212), (192, 1335936808), (256, 1001952606), (384, 667968404), (512, 500976303), (768, 333984202), (1031, 248787456), (1536, 166992101), (2062, 124393728), (3093, 82929152), (4124, 62196864), (6186, 41464576), (8248, 31098432), (12372, 20732288), (16496, 15549216), (24744, 10366144), (32992, 7774608), (49488, 5183072), (65984, 3887304), (98976, 2591536), (131968, 1943652), (161971, 1583616), (197952, 1295768), (263936, 971826), (323942, 791808), (395904, 647884), (485913, 527872)]