28005442

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{769}}^1$

素因数の和:1041

約数の個数: 16

約数和(自身を含む): 42688800

約数和(自身を除く): 14683358

約数列:

[1, 2, 131, 139, 262, 278, 769, 1538, 18209, 36418, 100739, 106891, 201478, 213782, 14002721, 28005442]

約数ペア:

[(1, 28005442), (2, 14002721), (131, 213782), (139, 201478), (262, 106891), (278, 100739), (769, 36418), (1538, 18209)]