638560090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{9122287}}^1$

素因数の和:9122301

約数の個数: 16

約数和(自身を含む): 1313609472

約数和(自身を除く): 675049382

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 9122287, 18244574, 45611435, 63856009, 91222870, 127712018, 319280045, 638560090]

約数ペア:

[(1, 638560090), (2, 319280045), (5, 127712018), (7, 91222870), (10, 63856009), (14, 45611435), (35, 18244574), (70, 9122287)]