28605545

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4241}}^1$

素因数の和:4336

約数の個数: 16

約数和(自身を含む): 36650880

約数和(自身を除く): 8045335

約数列:

[1, 5, 19, 71, 95, 355, 1349, 4241, 6745, 21205, 80579, 301111, 402895, 1505555, 5721109, 28605545]

約数ペア:

[(1, 28605545), (5, 5721109), (19, 1505555), (71, 402895), (95, 301111), (355, 80579), (1349, 21205), (4241, 6745)]