168889143143

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{788903}}^1$

素因数の和:789191

約数の個数: 24

約数和(自身を含む): 208829200032

約数和(自身を除く): 39940056889

約数列:

[1, 7, 17, 49, 119, 257, 833, 1799, 4369, 12593, 30583, 214081, 788903, 5522321, 13411351, 38656247, 93879457, 202748071, 657156199, 1419236497, 3446717207, 9934655479, 24127020449, 168889143143]

約数ペア:

[(1, 168889143143), (7, 24127020449), (17, 9934655479), (49, 3446717207), (119, 1419236497), (257, 657156199), (833, 202748071), (1799, 93879457), (4369, 38656247), (12593, 13411351), (30583, 5522321), (214081, 788903)]