261130247

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{6311}}^1$

素因数の和:6598

約数の個数: 16

約数和(自身を含む): 312671232

約数和(自身を除く): 51540985

約数列:

[1, 7, 23, 161, 257, 1799, 5911, 6311, 41377, 44177, 145153, 1016071, 1621927, 11353489, 37304321, 261130247]

約数ペア:

[(1, 261130247), (7, 37304321), (23, 11353489), (161, 1621927), (257, 1016071), (1799, 145153), (5911, 44177), (6311, 41377)]