16853291

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:195

約数の個数: 32

約数和(自身を含む): 21880320

約数和(自身を除く): 5027029

約数列:

[1, 7, 13, 43, 59, 73, 91, 301, 413, 511, 559, 767, 949, 2537, 3139, 3913, 4307, 5369, 6643, 17759, 21973, 30149, 32981, 40807, 55991, 185201, 230867, 285649, 391937, 1296407, 2407613, 16853291]

約数ペア:

[(1, 16853291), (7, 2407613), (13, 1296407), (43, 391937), (59, 285649), (73, 230867), (91, 185201), (301, 55991), (413, 40807), (511, 32981), (559, 30149), (767, 21973), (949, 17759), (2537, 6643), (3139, 5369), (3913, 4307)]