1991738624

素因数分解:

$2^8\times {\mathrm{7780229}}^1$

素因数の和:7780245

約数の個数: 18

約数和(自身を含む): 3975697530

約数和(自身を除く): 1983958906

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 7780229, 15560458, 31120916, 62241832, 124483664, 248967328, 497934656, 995869312, 1991738624]

約数ペア:

[(1, 1991738624), (2, 995869312), (4, 497934656), (8, 248967328), (16, 124483664), (32, 62241832), (64, 31120916), (128, 15560458), (256, 7780229)]