208909868

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{54347}}^1$

素因数の和:54413

約数の個数: 18

約数和(自身を含む): 377772948

約数和(自身を除く): 168863080

約数列:

[1, 2, 4, 31, 62, 124, 961, 1922, 3844, 54347, 108694, 217388, 1684757, 3369514, 6739028, 52227467, 104454934, 208909868]

約数ペア:

[(1, 208909868), (2, 104454934), (4, 52227467), (31, 6739028), (62, 3369514), (124, 1684757), (961, 217388), (1922, 108694), (3844, 54347)]