278496719

素因数分解:

${\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{857}}^1$

素因数の和:1150

約数の個数: 16

約数和(自身を含む): 296524800

約数和(自身を除く): 18028081

約数列:

[1, 23, 71, 199, 857, 1633, 4577, 14129, 19711, 60847, 170543, 324967, 1399481, 3922489, 12108553, 278496719]

約数ペア:

[(1, 278496719), (23, 12108553), (71, 3922489), (199, 1399481), (857, 324967), (1633, 170543), (4577, 60847), (14129, 19711)]