3940145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1009}}^1$

素因数の和:1096

約数の個数: 16

約数和(自身を含む): 5235840

約数和(自身を除く): 1295695

約数列:

[1, 5, 11, 55, 71, 355, 781, 1009, 3905, 5045, 11099, 55495, 71639, 358195, 788029, 3940145]

約数ペア:

[(1, 3940145), (5, 788029), (11, 358195), (55, 71639), (71, 55495), (355, 11099), (781, 5045), (1009, 3905)]