1281536

素因数分解:

$2^9\times {\mathrm{2503}}^1$

素因数の和:2521

約数の個数: 20

約数和(自身を含む): 2561592

約数和(自身を除く): 1280056

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 2503, 5006, 10012, 20024, 40048, 80096, 160192, 320384, 640768, 1281536]

約数ペア:

[(1, 1281536), (2, 640768), (4, 320384), (8, 160192), (16, 80096), (32, 40048), (64, 20024), (128, 10012), (256, 5006), (512, 2503)]