142644145

素因数分解:

$5^1\times 7^2\times {\mathrm{582221}}^1$

素因数の和:582240

約数の個数: 12

約数和(自身を含む): 199119924

約数和(自身を除く): 56475779

約数列:

[1, 5, 7, 35, 49, 245, 582221, 2911105, 4075547, 20377735, 28528829, 142644145]

約数ペア:

[(1, 142644145), (5, 28528829), (7, 20377735), (35, 4075547), (49, 2911105), (245, 582221)]