66691390

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{180247}}^1$

素因数の和:180291

約数の個数: 16

約数和(自身を含む): 123289632

約数和(自身を除く): 56598242

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 180247, 360494, 901235, 1802470, 6669139, 13338278, 33345695, 66691390]

約数ペア:

[(1, 66691390), (2, 33345695), (5, 13338278), (10, 6669139), (37, 1802470), (74, 901235), (185, 360494), (370, 180247)]