278308556

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{70351}}^1$

素因数の和:70421

約数の個数: 24

約数和(自身を含む): 520041984

約数和(自身を除く): 241733428

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 172, 989, 1978, 3956, 70351, 140702, 281404, 1618073, 3025093, 3236146, 6050186, 6472292, 12100372, 69577139, 139154278, 278308556]

約数ペア:

[(1, 278308556), (2, 139154278), (4, 69577139), (23, 12100372), (43, 6472292), (46, 6050186), (86, 3236146), (92, 3025093), (172, 1618073), (989, 281404), (1978, 140702), (3956, 70351)]