128681392

素因数分解:

$2^4\times 7^1\times {\mathrm{1148941}}^1$

素因数の和:1148956

約数の個数: 20

約数和(自身を含む): 284937616

約数和(自身を除く): 156256224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1148941, 2297882, 4595764, 8042587, 9191528, 16085174, 18383056, 32170348, 64340696, 128681392]

約数ペア:

[(1, 128681392), (2, 64340696), (4, 32170348), (7, 18383056), (8, 16085174), (14, 9191528), (16, 8042587), (28, 4595764), (56, 2297882), (112, 1148941)]