39987001

素因数分解:

${\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{4999}}^1$

素因数の和:5439

約数の個数: 8

約数和(自身を含む): 42200000

約数和(自身を除く): 2212999

約数列:

[1, 19, 421, 4999, 7999, 94981, 2104579, 39987001]

約数ペア:

[(1, 39987001), (19, 2104579), (421, 94981), (4999, 7999)]