139425139

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1451}}^1$

素因数の和:1555

約数の個数: 24

約数和(自身を含む): 169831728

約数和(自身を除く): 30406589

約数列:

[1, 7, 37, 49, 53, 259, 371, 1451, 1813, 1961, 2597, 10157, 13727, 53687, 71099, 76903, 96089, 375809, 538321, 2630663, 2845411, 3768247, 19917877, 139425139]

約数ペア:

[(1, 139425139), (7, 19917877), (37, 3768247), (49, 2845411), (53, 2630663), (259, 538321), (371, 375809), (1451, 96089), (1813, 76903), (1961, 71099), (2597, 53687), (10157, 13727)]