28538128

素因数分解:

$2^4\times {\mathrm{997}}^1\times {\mathrm{1789}}^1$

素因数の和:2794

約数の個数: 20

約数和(自身を含む): 55379020

約数和(自身を除く): 26840892

約数列:

[1, 2, 4, 8, 16, 997, 1789, 1994, 3578, 3988, 7156, 7976, 14312, 15952, 28624, 1783633, 3567266, 7134532, 14269064, 28538128]

約数ペア:

[(1, 28538128), (2, 14269064), (4, 7134532), (8, 3567266), (16, 1783633), (997, 28624), (1789, 15952), (1994, 14312), (3578, 7976), (3988, 7156)]