1247734579

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103093}}^1$

素因数の和:103139

約数の個数: 24

約数和(自身を含む): 1645380240

約数和(自身を除く): 397645661

約数列:

[1, 7, 13, 19, 49, 91, 133, 247, 637, 931, 1729, 12103, 103093, 721651, 1340209, 1958767, 5051557, 9381463, 13711369, 25463971, 65670241, 95979583, 178247797, 1247734579]

約数ペア:

[(1, 1247734579), (7, 178247797), (13, 95979583), (19, 65670241), (49, 25463971), (91, 13711369), (133, 9381463), (247, 5051557), (637, 1958767), (931, 1340209), (1729, 721651), (12103, 103093)]