28657904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{162829}}^1$

素因数の和:162848

約数の個数: 20

約数和(自身を含む): 60572760

約数和(自身を除く): 31914856

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 162829, 325658, 651316, 1302632, 1791119, 2605264, 3582238, 7164476, 14328952, 28657904]

約数ペア:

[(1, 28657904), (2, 14328952), (4, 7164476), (8, 3582238), (11, 2605264), (16, 1791119), (22, 1302632), (44, 651316), (88, 325658), (176, 162829)]