199807777

素因数分解:

${\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1\times {\mathrm{439}}^1$

素因数の和:832

約数の個数: 16

約数和(自身を含む): 218014720

約数和(自身を除く): 18206943

約数列:

[1, 13, 157, 223, 439, 2041, 2899, 5707, 35011, 68923, 97897, 455143, 895999, 1272661, 15369829, 199807777]

約数ペア:

[(1, 199807777), (13, 15369829), (157, 1272661), (223, 895999), (439, 455143), (2041, 97897), (2899, 68923), (5707, 35011)]