128468557

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{31159}}^1$

素因数の和:31216

約数の個数: 16

約数和(自身を含む): 159539200

約数和(自身を除く): 31070643

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 31159, 218113, 592021, 965929, 4144147, 6761503, 18352651, 128468557]

約数ペア:

[(1, 128468557), (7, 18352651), (19, 6761503), (31, 4144147), (133, 965929), (217, 592021), (589, 218113), (4123, 31159)]