31978364

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{66071}}^1$

素因数の和:66097

約数の個数: 18

約数和(自身を含む): 61513032

約数和(自身を除く): 29534668

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 66071, 132142, 264284, 726781, 1453562, 2907124, 7994591, 15989182, 31978364]

約数ペア:

[(1, 31978364), (2, 15989182), (4, 7994591), (11, 2907124), (22, 1453562), (44, 726781), (121, 264284), (242, 132142), (484, 66071)]