217241999

素因数分解:

${\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1\times {\mathrm{653}}^1$

素因数の和:986

約数の個数: 16

約数和(自身を含む): 237250272

約数和(自身を除く): 20008273

約数列:

[1, 13, 157, 163, 653, 2041, 2119, 8489, 25591, 102521, 106439, 332683, 1332773, 1383707, 16710923, 217241999]

約数ペア:

[(1, 217241999), (13, 16710923), (157, 1383707), (163, 1332773), (653, 332683), (2041, 106439), (2119, 102521), (8489, 25591)]