128997748

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{859}}^1\times {\mathrm{3413}}^1$

素因数の和:4287

約数の個数: 24

約数和(自身を含む): 246627360

約数和(自身を除く): 117629612

約数列:

[1, 2, 4, 11, 22, 44, 859, 1718, 3413, 3436, 6826, 9449, 13652, 18898, 37543, 37796, 75086, 150172, 2931767, 5863534, 11727068, 32249437, 64498874, 128997748]

約数ペア:

[(1, 128997748), (2, 64498874), (4, 32249437), (11, 11727068), (22, 5863534), (44, 2931767), (859, 150172), (1718, 75086), (3413, 37796), (3436, 37543), (6826, 18898), (9449, 13652)]