642823424

素因数分解:

$2^8\times {\mathrm{2511029}}^1$

素因数の和:2511045

約数の個数: 18

約数和(自身を含む): 1283136330

約数和(自身を除く): 640312906

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 2511029, 5022058, 10044116, 20088232, 40176464, 80352928, 160705856, 321411712, 642823424]

約数ペア:

[(1, 642823424), (2, 321411712), (4, 160705856), (8, 80352928), (16, 40176464), (32, 20088232), (64, 10044116), (128, 5022058), (256, 2511029)]