255596

素因数分解:

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

素因数の和:209

約数の個数: 24

約数和(自身を含む): 504336

約数和(自身を除く): 248740

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 157, 314, 407, 628, 814, 1628, 1727, 3454, 5809, 6908, 11618, 23236, 63899, 127798, 255596]

約数ペア:

[(1, 255596), (2, 127798), (4, 63899), (11, 23236), (22, 11618), (37, 6908), (44, 5809), (74, 3454), (148, 1727), (157, 1628), (314, 814), (407, 628)]