128436007

素因数分解:

$7^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 158515200

約数和(自身を除く): 30079193

約数列:

[1, 7, 31, 47, 49, 217, 257, 329, 343, 1457, 1519, 1799, 2303, 7967, 10199, 10633, 12079, 12593, 16121, 55769, 71393, 84553, 88151, 374449, 390383, 499751, 591871, 2621143, 2732681, 4143097, 18348001, 128436007]

約数ペア:

[(1, 128436007), (7, 18348001), (31, 4143097), (47, 2732681), (49, 2621143), (217, 591871), (257, 499751), (329, 390383), (343, 374449), (1457, 88151), (1519, 84553), (1799, 71393), (2303, 55769), (7967, 16121), (10199, 12593), (10633, 12079)]