127721168

素因数分解:

$2^4\times {\mathrm{373}}^1\times {\mathrm{21401}}^1$

素因数の和:21782

約数の個数: 20

約数和(自身を含む): 248134788

約数和(自身を除く): 120413620

約数列:

[1, 2, 4, 8, 16, 373, 746, 1492, 2984, 5968, 21401, 42802, 85604, 171208, 342416, 7982573, 15965146, 31930292, 63860584, 127721168]

約数ペア:

[(1, 127721168), (2, 63860584), (4, 31930292), (8, 15965146), (16, 7982573), (373, 342416), (746, 171208), (1492, 85604), (2984, 42802), (5968, 21401)]