28132585

素因数分解:

$5^1\times {\mathrm{13}}^4\times {\mathrm{197}}^1$

素因数の和:254

約数の個数: 20

約数和(自身を含む): 36757908

約数和(自身を除く): 8625323

約数列:

[1, 5, 13, 65, 169, 197, 845, 985, 2197, 2561, 10985, 12805, 28561, 33293, 142805, 166465, 432809, 2164045, 5626517, 28132585]

約数ペア:

[(1, 28132585), (5, 5626517), (13, 2164045), (65, 432809), (169, 166465), (197, 142805), (845, 33293), (985, 28561), (2197, 12805), (2561, 10985)]