31159919

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1787}}^1$

素因数の和:1894

約数の個数: 16

約数和(自身を含む): 37075968

約数和(自身を除く): 5916049

約数列:

[1, 7, 47, 53, 329, 371, 1787, 2491, 12509, 17437, 83989, 94711, 587923, 662977, 4451417, 31159919]

約数ペア:

[(1, 31159919), (7, 4451417), (47, 662977), (53, 587923), (329, 94711), (371, 83989), (1787, 17437), (2491, 12509)]