12906845

素因数分解:

$5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 18194400

約数和(自身を除く): 5287555

約数列:

[1, 5, 7, 35, 49, 139, 245, 379, 695, 973, 1895, 2653, 4865, 6811, 13265, 18571, 34055, 52681, 92855, 263405, 368767, 1843835, 2581369, 12906845]

約数ペア:

[(1, 12906845), (5, 2581369), (7, 1843835), (35, 368767), (49, 263405), (139, 92855), (245, 52681), (379, 34055), (695, 18571), (973, 13265), (1895, 6811), (2653, 4865)]