221275316

素因数分解:

$2^2\times {\mathrm{439}}^1\times {\mathrm{126011}}^1$

素因数の和:126454

約数の個数: 12

約数和(自身を含む): 388116960

約数和(自身を除く): 166841644

約数列:

[1, 2, 4, 439, 878, 1756, 126011, 252022, 504044, 55318829, 110637658, 221275316]

約数ペア:

[(1, 221275316), (2, 110637658), (4, 55318829), (439, 504044), (878, 252022), (1756, 126011)]