28580405

素因数分解:

$5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{4231}}^1$

素因数の和:4436

約数の個数: 16

約数和(自身を含む): 39408384

約数和(自身を除く): 10827979

約数列:

[1, 5, 7, 35, 193, 965, 1351, 4231, 6755, 21155, 29617, 148085, 816583, 4082915, 5716081, 28580405]

約数ペア:

[(1, 28580405), (5, 5716081), (7, 4082915), (35, 816583), (193, 148085), (965, 29617), (1351, 21155), (4231, 6755)]