71870888

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{208927}}^1$

素因数の和:208976

約数の個数: 16

約数和(自身を含む): 137892480

約数和(自身を除く): 66021592

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 208927, 417854, 835708, 1671416, 8983861, 17967722, 35935444, 71870888]

約数ペア:

[(1, 71870888), (2, 35935444), (4, 17967722), (8, 8983861), (43, 1671416), (86, 835708), (172, 417854), (344, 208927)]