201987653

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{67577}}^1$

素因数の和:67652

約数の個数: 12

約数和(自身を含む): 238820652

約数和(自身を除く): 36832999

約数列:

[1, 7, 49, 61, 427, 2989, 67577, 473039, 3311273, 4122197, 28855379, 201987653]

約数ペア:

[(1, 201987653), (7, 28855379), (49, 4122197), (61, 3311273), (427, 473039), (2989, 67577)]