256656004

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31193}}^1$

素因数の和:31236

約数の個数: 36

約数和(自身を含む): 522749052

約数和(自身を除く): 266093048

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 121, 187, 242, 374, 484, 748, 2057, 4114, 8228, 31193, 62386, 124772, 343123, 530281, 686246, 1060562, 1372492, 2121124, 3774353, 5833091, 7548706, 11666182, 15097412, 23332364, 64164001, 128328002, 256656004]

約数ペア:

[(1, 256656004), (2, 128328002), (4, 64164001), (11, 23332364), (17, 15097412), (22, 11666182), (34, 7548706), (44, 5833091), (68, 3774353), (121, 2121124), (187, 1372492), (242, 1060562), (374, 686246), (484, 530281), (748, 343123), (2057, 124772), (4114, 62386), (8228, 31193)]