28111390

素因数分解:

$2^1\times 5^1\times {\mathrm{829}}^1\times {\mathrm{3391}}^1$

素因数の和:4227

約数の個数: 16

約数和(自身を含む): 50676480

約数和(自身を除く): 22565090

約数列:

[1, 2, 5, 10, 829, 1658, 3391, 4145, 6782, 8290, 16955, 33910, 2811139, 5622278, 14055695, 28111390]

約数ペア:

[(1, 28111390), (2, 14055695), (5, 5622278), (10, 2811139), (829, 33910), (1658, 16955), (3391, 8290), (4145, 6782)]