206991788

素因数分解:

$2^2\times {\mathrm{61}}^2\times {\mathrm{13907}}^1$

素因数の和:14033

約数の個数: 18

約数和(自身を含む): 368297748

約数和(自身を除く): 161305960

約数列:

[1, 2, 4, 61, 122, 244, 3721, 7442, 13907, 14884, 27814, 55628, 848327, 1696654, 3393308, 51747947, 103495894, 206991788]

約数ペア:

[(1, 206991788), (2, 103495894), (4, 51747947), (61, 3393308), (122, 1696654), (244, 848327), (3721, 55628), (7442, 27814), (13907, 14884)]