87667856

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{39419}}^1$

素因数の和:39566

約数の個数: 20

約数和(自身を含む): 171082800

約数和(自身を除く): 83414944

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 39419, 78838, 157676, 315352, 630704, 5479241, 10958482, 21916964, 43833928, 87667856]

約数ペア:

[(1, 87667856), (2, 43833928), (4, 21916964), (8, 10958482), (16, 5479241), (139, 630704), (278, 315352), (556, 157676), (1112, 78838), (2224, 39419)]