208221013

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{16001}}^1$

素因数の和:16045

約数の個数: 24

約数和(自身を含む): 281123136

約数和(自身を除く): 72902123

約数列:

[1, 7, 11, 13, 77, 91, 143, 169, 1001, 1183, 1859, 13013, 16001, 112007, 176011, 208013, 1232077, 1456091, 2288143, 2704169, 16017001, 18929183, 29745859, 208221013]

約数ペア:

[(1, 208221013), (7, 29745859), (11, 18929183), (13, 16017001), (77, 2704169), (91, 2288143), (143, 1456091), (169, 1232077), (1001, 208013), (1183, 176011), (1859, 112007), (13013, 16001)]