28865405

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{4783}}^1$

素因数の和:4876

約数の個数: 16

約数和(自身を含む): 37200384

約数和(自身を除く): 8334979

約数列:

[1, 5, 17, 71, 85, 355, 1207, 4783, 6035, 23915, 81311, 339593, 406555, 1697965, 5773081, 28865405]

約数ペア:

[(1, 28865405), (5, 5773081), (17, 1697965), (71, 406555), (85, 339593), (355, 81311), (1207, 23915), (4783, 6035)]