489968384

素因数分解:

$2^8\times {\mathrm{1913939}}^1$

素因数の和:1913955

約数の個数: 18

約数和(自身を含む): 978023340

約数和(自身を除く): 488054956

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 1913939, 3827878, 7655756, 15311512, 30623024, 61246048, 122492096, 244984192, 489968384]

約数ペア:

[(1, 489968384), (2, 244984192), (4, 122492096), (8, 61246048), (16, 30623024), (32, 15311512), (64, 7655756), (128, 3827878), (256, 1913939)]