257899789

素因数分解:

$7^2\times {\mathrm{127}}^1\times {\mathrm{41443}}^1$

素因数の和:41584

約数の個数: 12

約数和(自身を含む): 302375424

約数和(自身を除く): 44475635

約数列:

[1, 7, 49, 127, 889, 6223, 41443, 290101, 2030707, 5263261, 36842827, 257899789]

約数ペア:

[(1, 257899789), (7, 36842827), (49, 5263261), (127, 2030707), (889, 290101), (6223, 41443)]