209414257

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{19717}}^1$

素因数の和:19792

約数の個数: 16

約数和(自身を含む): 242925760

約数和(自身を除く): 33511503

約数列:

[1, 13, 19, 43, 247, 559, 817, 10621, 19717, 256321, 374623, 847831, 4870099, 11021803, 16108789, 209414257]

約数ペア:

[(1, 209414257), (13, 16108789), (19, 11021803), (43, 4870099), (247, 847831), (559, 374623), (817, 256321), (10621, 19717)]