28009130

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{6653}}^1$

素因数の和:7081

約数の個数: 16

約数和(自身を含む): 50543784

約数和(自身を除く): 22534654

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 6653, 13306, 33265, 66530, 2800913, 5601826, 14004565, 28009130]

約数ペア:

[(1, 28009130), (2, 14004565), (5, 5601826), (10, 2800913), (421, 66530), (842, 33265), (2105, 13306), (4210, 6653)]