78890290

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{213217}}^1$

素因数の和:213261

約数の個数: 16

約数和(自身を含む): 145841112

約数和(自身を除く): 66950822

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 213217, 426434, 1066085, 2132170, 7889029, 15778058, 39445145, 78890290]

約数ペア:

[(1, 78890290), (2, 39445145), (5, 15778058), (10, 7889029), (37, 2132170), (74, 1066085), (185, 426434), (370, 213217)]