30191078

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1\times {\mathrm{487}}^1$

素因数の和:851

約数の個数: 16

約数和(自身を含む): 45911040

約数和(自身を除く): 15719962

約数列:

[1, 2, 139, 223, 278, 446, 487, 974, 30997, 61994, 67693, 108601, 135386, 217202, 15095539, 30191078]

約数ペア:

[(1, 30191078), (2, 15095539), (139, 217202), (223, 135386), (278, 108601), (446, 67693), (487, 61994), (974, 30997)]