127798

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:207

約数の個数: 16

約数和(自身を含む): 216144

約数和(自身を除く): 88346

約数列:

[1, 2, 11, 22, 37, 74, 157, 314, 407, 814, 1727, 3454, 5809, 11618, 63899, 127798]

約数ペア:

[(1, 127798), (2, 63899), (11, 11618), (22, 5809), (37, 3454), (74, 1727), (157, 814), (314, 407)]