28255865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1999}}^1$

素因数の和:2272

約数の個数: 16

約数和(自身を含む): 37152000

約数和(自身を除く): 8896135

約数列:

[1, 5, 11, 55, 257, 1285, 1999, 2827, 9995, 14135, 21989, 109945, 513743, 2568715, 5651173, 28255865]

約数ペア:

[(1, 28255865), (5, 5651173), (11, 2568715), (55, 513743), (257, 109945), (1285, 21989), (1999, 14135), (2827, 9995)]