28431949

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{787}}^1$

素因数の和:1204

約数の個数: 16

約数和(自身を含む): 35125888

約数和(自身を除く): 6693939

約数列:

[1, 7, 13, 91, 397, 787, 2779, 5161, 5509, 10231, 36127, 71617, 312439, 2187073, 4061707, 28431949]

約数ペア:

[(1, 28431949), (7, 4061707), (13, 2187073), (91, 312439), (397, 71617), (787, 36127), (2779, 10231), (5161, 5509)]