255884321

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11579}}^1$

素因数の和:11645

約数の個数: 24

約数和(自身を含む): 332670240

約数和(自身を除く): 76785919

約数列:

[1, 7, 11, 41, 49, 77, 287, 451, 539, 2009, 3157, 11579, 22099, 81053, 127369, 474739, 567371, 891583, 3323173, 5222129, 6241081, 23262211, 36554903, 255884321]

約数ペア:

[(1, 255884321), (7, 36554903), (11, 23262211), (41, 6241081), (49, 5222129), (77, 3323173), (287, 891583), (451, 567371), (539, 474739), (2009, 127369), (3157, 81053), (11579, 22099)]