257966784

素因数分解:

$2^6\times 3^2\times {\mathrm{447859}}^1$

素因数の和:447877

約数の個数: 42

約数和(自身を含む): 739416860

約数和(自身を除く): 481450076

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 576, 447859, 895718, 1343577, 1791436, 2687154, 3582872, 4030731, 5374308, 7165744, 8061462, 10748616, 14331488, 16122924, 21497232, 28662976, 32245848, 42994464, 64491696, 85988928, 128983392, 257966784]

約数ペア:

[(1, 257966784), (2, 128983392), (3, 85988928), (4, 64491696), (6, 42994464), (8, 32245848), (9, 28662976), (12, 21497232), (16, 16122924), (18, 14331488), (24, 10748616), (32, 8061462), (36, 7165744), (48, 5374308), (64, 4030731), (72, 3582872), (96, 2687154), (144, 1791436), (192, 1343577), (288, 895718), (576, 447859)]