256762838

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1\times {\mathrm{4421}}^1$

素因数の和:4903

約数の個数: 16

約数和(自身を含む): 391612320

約数和(自身を除く): 134849482

約数列:

[1, 2, 71, 142, 409, 818, 4421, 8842, 29039, 58078, 313891, 627782, 1808189, 3616378, 128381419, 256762838]

約数ペア:

[(1, 256762838), (2, 128381419), (71, 3616378), (142, 1808189), (409, 627782), (818, 313891), (4421, 58078), (8842, 29039)]