28931435

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{6269}}^1$

素因数の和:6358

約数の個数: 16

約数和(自身を含む): 37920960

約数和(自身を除く): 8989525

約数列:

[1, 5, 13, 65, 71, 355, 923, 4615, 6269, 31345, 81497, 407485, 445099, 2225495, 5786287, 28931435]

約数ペア:

[(1, 28931435), (5, 5786287), (13, 2225495), (65, 445099), (71, 407485), (355, 81497), (923, 31345), (4615, 6269)]