201997519199

素因数分解:

$7^2\times {\mathrm{7789}}^1\times {\mathrm{529259}}^1$

素因数の和:537062

約数の個数: 12

約数和(自身を含む): 235007317800

約数和(自身を除く): 33009798601

約数列:

[1, 7, 49, 7789, 54523, 381661, 529259, 3704813, 25933691, 4122398351, 28856788457, 201997519199]

約数ペア:

[(1, 201997519199), (7, 28856788457), (49, 4122398351), (7789, 25933691), (54523, 3704813), (381661, 529259)]