641024

素因数分解:

$2^{11}\times {\mathrm{313}}^1$

素因数の和:335

約数の個数: 24

約数和(自身を含む): 1285830

約数和(自身を除く): 644806

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 313, 512, 626, 1024, 1252, 2048, 2504, 5008, 10016, 20032, 40064, 80128, 160256, 320512, 641024]

約数ペア:

[(1, 641024), (2, 320512), (4, 160256), (8, 80128), (16, 40064), (32, 20032), (64, 10016), (128, 5008), (256, 2504), (313, 2048), (512, 1252), (626, 1024)]