2213309987

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{46919}}^1$

素因数の和:47242

約数の個数: 16

約数和(自身を含む): 2648540160

約数和(自身を除く): 435230173

約数列:

[1, 7, 23, 161, 293, 2051, 6739, 46919, 47173, 328433, 1079137, 7553959, 13747267, 96230869, 316187141, 2213309987]

約数ペア:

[(1, 2213309987), (7, 316187141), (23, 96230869), (161, 13747267), (293, 7553959), (2051, 1079137), (6739, 328433), (46919, 47173)]