28749518

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{55501}}^1$

素因数の和:55547

約数の個数: 16

約数和(自身を含む): 50617824

約数和(自身を除く): 21868306

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 55501, 111002, 388507, 777014, 2053537, 4107074, 14374759, 28749518]

約数ペア:

[(1, 28749518), (2, 14374759), (7, 4107074), (14, 2053537), (37, 777014), (74, 388507), (259, 111002), (518, 55501)]