51004345

素因数分解:

$5^1\times 7^2\times {\mathrm{409}}^1\times {\mathrm{509}}^1$

素因数の和:937

約数の個数: 24

約数和(自身を含む): 71512200

約数和(自身を除く): 20507855

約数列:

[1, 5, 7, 35, 49, 245, 409, 509, 2045, 2545, 2863, 3563, 14315, 17815, 20041, 24941, 100205, 124705, 208181, 1040905, 1457267, 7286335, 10200869, 51004345]

約数ペア:

[(1, 51004345), (5, 10200869), (7, 7286335), (35, 1457267), (49, 1040905), (245, 208181), (409, 124705), (509, 100205), (2045, 24941), (2545, 20041), (2863, 17815), (3563, 14315)]