13942019

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:579

約数の個数: 24

約数和(自身を含む): 17907120

約数和(自身を除く): 3965101

約数列:

[1, 7, 13, 43, 49, 91, 301, 509, 559, 637, 2107, 3563, 3913, 6617, 21887, 24941, 27391, 46319, 153209, 284531, 324233, 1072463, 1991717, 13942019]

約数ペア:

[(1, 13942019), (7, 1991717), (13, 1072463), (43, 324233), (49, 284531), (91, 153209), (301, 46319), (509, 27391), (559, 24941), (637, 21887), (2107, 6617), (3563, 3913)]