28186249

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{4243}}^1$

素因数の和:4336

約数の個数: 16

約数和(自身を含む): 35174272

約数和(自身を除く): 6988023

約数列:

[1, 7, 13, 73, 91, 511, 949, 4243, 6643, 29701, 55159, 309739, 386113, 2168173, 4026607, 28186249]

約数ペア:

[(1, 28186249), (7, 4026607), (13, 2168173), (73, 386113), (91, 309739), (511, 55159), (949, 29701), (4243, 6643)]