209491606

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{77647}}^1$

素因数の和:77739

約数の個数: 16

約数和(自身を含む): 335439360

約数和(自身を除く): 125947754

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 77647, 155294, 1475293, 2950586, 5512937, 11025874, 104745803, 209491606]

約数ペア:

[(1, 209491606), (2, 104745803), (19, 11025874), (38, 5512937), (71, 2950586), (142, 1475293), (1349, 155294), (2698, 77647)]