209261987

素因数分解:

${\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{241}}^1\times {\mathrm{409}}^1$

素因数の和:854

約数の個数: 16

約数和(自身を含む): 230984160

約数和(自身を除く): 21722173

約数列:

[1, 11, 193, 241, 409, 2123, 2651, 4499, 46513, 78937, 98569, 511643, 868307, 1084259, 19023817, 209261987]

約数ペア:

[(1, 209261987), (11, 19023817), (193, 1084259), (241, 868307), (409, 511643), (2123, 98569), (2651, 78937), (4499, 46513)]