320890496

素因数分解:

$2^7\times {\mathrm{2506957}}^1$

素因数の和:2506971

約数の個数: 16

約数和(自身を含む): 639274290

約数和(自身を除く): 318383794

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 2506957, 5013914, 10027828, 20055656, 40111312, 80222624, 160445248, 320890496]

約数ペア:

[(1, 320890496), (2, 160445248), (4, 80222624), (8, 40111312), (16, 20055656), (32, 10027828), (64, 5013914), (128, 2506957)]