129683984

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{197689}}^1$

素因数の和:197738

約数の個数: 20

約数和(自身を含む): 257392380

約数和(自身を除く): 127708396

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 197689, 395378, 790756, 1581512, 3163024, 8105249, 16210498, 32420996, 64841992, 129683984]

約数ペア:

[(1, 129683984), (2, 64841992), (4, 32420996), (8, 16210498), (16, 8105249), (41, 3163024), (82, 1581512), (164, 790756), (328, 395378), (656, 197689)]