291220235

素因数分解:

$5^1\times {\mathrm{337}}^1\times {\mathrm{401}}^1\times {\mathrm{431}}^1$

素因数の和:1174

約数の個数: 16

約数和(自身を含む): 352190592

約数和(自身を除く): 60970357

約数列:

[1, 5, 337, 401, 431, 1685, 2005, 2155, 135137, 145247, 172831, 675685, 726235, 864155, 58244047, 291220235]

約数ペア:

[(1, 291220235), (5, 58244047), (337, 864155), (401, 726235), (431, 675685), (1685, 172831), (2005, 145247), (2155, 135137)]