28172656

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{4391}}^1$

素因数の和:4800

約数の個数: 20

約数和(自身を含む): 54733104

約数和(自身を除く): 26560448

約数列:

[1, 2, 4, 8, 16, 401, 802, 1604, 3208, 4391, 6416, 8782, 17564, 35128, 70256, 1760791, 3521582, 7043164, 14086328, 28172656]

約数ペア:

[(1, 28172656), (2, 14086328), (4, 7043164), (8, 3521582), (16, 1760791), (401, 70256), (802, 35128), (1604, 17564), (3208, 8782), (4391, 6416)]