28267085

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73421}}^1$

素因数の和:73444

約数の個数: 16

約数和(自身を含む): 42291072

約数和(自身を除く): 14023987

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 73421, 367105, 513947, 807631, 2569735, 4038155, 5653417, 28267085]

約数ペア:

[(1, 28267085), (5, 5653417), (7, 4038155), (11, 2569735), (35, 807631), (55, 513947), (77, 367105), (385, 73421)]