128251312

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{49787}}^1$

素因数の和:49825

約数の個数: 40

約数和(自身を含む): 296338176

約数和(自身を除く): 168086864

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 49787, 99574, 199148, 348509, 398296, 697018, 796592, 1145101, 1394036, 2290202, 2788072, 4580404, 5576144, 8015707, 9160808, 16031414, 18321616, 32062828, 64125656, 128251312]

約数ペア:

[(1, 128251312), (2, 64125656), (4, 32062828), (7, 18321616), (8, 16031414), (14, 9160808), (16, 8015707), (23, 5576144), (28, 4580404), (46, 2788072), (56, 2290202), (92, 1394036), (112, 1145101), (161, 796592), (184, 697018), (322, 398296), (368, 348509), (644, 199148), (1288, 99574), (2576, 49787)]