258655439

素因数分解:

$7^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{2221}}^1$

素因数の和:2486

約数の個数: 16

約数和(自身を含む): 300343296

約数和(自身を除く): 41687857

約数列:

[1, 7, 127, 131, 889, 917, 2221, 15547, 16637, 116459, 282067, 290951, 1974469, 2036657, 36950777, 258655439]

約数ペア:

[(1, 258655439), (7, 36950777), (127, 2036657), (131, 1974469), (889, 290951), (917, 282067), (2221, 116459), (15547, 16637)]