56319319

素因数分解:

$7^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1\times {\mathrm{331}}^1$

素因数の和:670

約数の個数: 16

約数和(自身を含む): 65443840

約数和(自身を除く): 9124521

約数列:

[1, 7, 109, 223, 331, 763, 1561, 2317, 24307, 36079, 73813, 170149, 252553, 516691, 8045617, 56319319]

約数ペア:

[(1, 56319319), (7, 8045617), (109, 516691), (223, 252553), (331, 170149), (763, 73813), (1561, 36079), (2317, 24307)]