78289211

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11173}}^1$

素因数の和:11211

約数の個数: 24

約数和(自身を含む): 107002224

約数和(自身を除く): 28713013

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 539, 637, 1001, 7007, 11173, 78211, 122903, 145249, 547477, 860321, 1016743, 1597739, 6022247, 7117201, 11184173, 78289211]

約数ペア:

[(1, 78289211), (7, 11184173), (11, 7117201), (13, 6022247), (49, 1597739), (77, 1016743), (91, 860321), (143, 547477), (539, 145249), (637, 122903), (1001, 78211), (7007, 11173)]