208053209

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{6551}}^1$

素因数の和:6920

約数の個数: 16

約数和(自身を含む): 256838400

約数和(自身を除く): 48785191

約数列:

[1, 7, 13, 91, 349, 2443, 4537, 6551, 31759, 45857, 85163, 596141, 2286299, 16004093, 29721887, 208053209]

約数ペア:

[(1, 208053209), (7, 29721887), (13, 16004093), (91, 2286299), (349, 596141), (2443, 85163), (4537, 45857), (6551, 31759)]