28198585

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{1721}}^1$

素因数の和:1868

約数の個数: 16

約数和(自身を含む): 35335440

約数和(自身を除く): 7136855

約数列:

[1, 5, 29, 113, 145, 565, 1721, 3277, 8605, 16385, 49909, 194473, 249545, 972365, 5639717, 28198585]

約数ペア:

[(1, 28198585), (5, 5639717), (29, 972365), (113, 249545), (145, 194473), (565, 49909), (1721, 16385), (3277, 8605)]