209973316

素因数分解:

$2^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{26687}}^1$

素因数の和:26979

約数の個数: 24

約数和(自身を含む): 421456896

約数和(自身を除く): 211483580

約数列:

[1, 2, 4, 7, 14, 28, 281, 562, 1124, 1967, 3934, 7868, 26687, 53374, 106748, 186809, 373618, 747236, 7499047, 14998094, 29996188, 52493329, 104986658, 209973316]

約数ペア:

[(1, 209973316), (2, 104986658), (4, 52493329), (7, 29996188), (14, 14998094), (28, 7499047), (281, 747236), (562, 373618), (1124, 186809), (1967, 106748), (3934, 53374), (7868, 26687)]