1285840384

素因数分解:

$2^9\times {\mathrm{2511407}}^1$

素因数の和:2511425

約数の個数: 20

約数和(自身を含む): 2569170384

約数和(自身を除く): 1283330000

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 2511407, 5022814, 10045628, 20091256, 40182512, 80365024, 160730048, 321460096, 642920192, 1285840384]

約数ペア:

[(1, 1285840384), (2, 642920192), (4, 321460096), (8, 160730048), (16, 80365024), (32, 40182512), (64, 20091256), (128, 10045628), (256, 5022814), (512, 2511407)]