255740639

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{17761}}^1$

素因数の和:17807

約数の個数: 24

約数和(自身を含む): 340177824

約数和(自身を除く): 84437185

約数列:

[1, 7, 11, 17, 77, 119, 121, 187, 847, 1309, 2057, 14399, 17761, 124327, 195371, 301937, 1367597, 2113559, 2149081, 3321307, 15043567, 23249149, 36534377, 255740639]

約数ペア:

[(1, 255740639), (7, 36534377), (11, 23249149), (17, 15043567), (77, 3321307), (119, 2149081), (121, 2113559), (187, 1367597), (847, 301937), (1309, 195371), (2057, 124327), (14399, 17761)]