128518448

素因数分解:

$2^4\times {\mathrm{499}}^1\times {\mathrm{16097}}^1$

素因数の和:16604

約数の個数: 20

約数和(自身を含む): 249519000

約数和(自身を除く): 121000552

約数列:

[1, 2, 4, 8, 16, 499, 998, 1996, 3992, 7984, 16097, 32194, 64388, 128776, 257552, 8032403, 16064806, 32129612, 64259224, 128518448]

約数ペア:

[(1, 128518448), (2, 64259224), (4, 32129612), (8, 16064806), (16, 8032403), (499, 257552), (998, 128776), (1996, 64388), (3992, 32194), (7984, 16097)]