51490691

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1\times {\mathrm{331}}^1$

素因数の和:722

約数の個数: 16

約数和(自身を含む): 60046848

約数和(自身を除く): 8556157

約数列:

[1, 7, 71, 313, 331, 497, 2191, 2317, 22223, 23501, 103603, 155561, 164507, 725221, 7355813, 51490691]

約数ペア:

[(1, 51490691), (7, 7355813), (71, 725221), (313, 164507), (331, 155561), (497, 103603), (2191, 23501), (2317, 22223)]