7981668

素因数分解:

$2^2\times 3^2\times {\mathrm{221713}}^1$

素因数の和:221723

約数の個数: 18

約数和(自身を含む): 20175974

約数和(自身を除く): 12194306

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 221713, 443426, 665139, 886852, 1330278, 1995417, 2660556, 3990834, 7981668]

約数ペア:

[(1, 7981668), (2, 3990834), (3, 2660556), (4, 1995417), (6, 1330278), (9, 886852), (12, 665139), (18, 443426), (36, 221713)]