208843999

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{17519}}^1$

素因数の和:17670

約数の個数: 16

約数和(自身を含む): 259015680

約数和(自身を除く): 50171681

約数列:

[1, 7, 13, 91, 131, 917, 1703, 11921, 17519, 122633, 227747, 1594229, 2294989, 16064923, 29834857, 208843999]

約数ペア:

[(1, 208843999), (7, 29834857), (13, 16064923), (91, 2294989), (131, 1594229), (917, 227747), (1703, 122633), (11921, 17519)]