256545716

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{8539}}^1$

素因数の和:8616

約数の個数: 48

約数和(自身を含む): 545193600

約数和(自身を除く): 288647884

約数列:

[1, 2, 4, 7, 14, 28, 29, 37, 58, 74, 116, 148, 203, 259, 406, 518, 812, 1036, 1073, 2146, 4292, 7511, 8539, 15022, 17078, 30044, 34156, 59773, 119546, 239092, 247631, 315943, 495262, 631886, 990524, 1263772, 1733417, 2211601, 3466834, 4423202, 6933668, 8846404, 9162347, 18324694, 36649388, 64136429, 128272858, 256545716]

約数ペア:

[(1, 256545716), (2, 128272858), (4, 64136429), (7, 36649388), (14, 18324694), (28, 9162347), (29, 8846404), (37, 6933668), (58, 4423202), (74, 3466834), (116, 2211601), (148, 1733417), (203, 1263772), (259, 990524), (406, 631886), (518, 495262), (812, 315943), (1036, 247631), (1073, 239092), (2146, 119546), (4292, 59773), (7511, 34156), (8539, 30044), (15022, 17078)]