78396556

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{20143}}^1$

素因数の和:20293

約数の個数: 24

約数和(自身を含む): 157928960

約数和(自身を除く): 79532404

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 20143, 40286, 80572, 141001, 282002, 564004, 2799877, 5599754, 11199508, 19599139, 39198278, 78396556]

約数ペア:

[(1, 78396556), (2, 39198278), (4, 19599139), (7, 11199508), (14, 5599754), (28, 2799877), (139, 564004), (278, 282002), (556, 141001), (973, 80572), (1946, 40286), (3892, 20143)]