28653812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{651223}}^1$

素因数の和:651238

約数の個数: 12

約数和(自身を含む): 54702816

約数和(自身を除く): 26049004

約数列:

[1, 2, 4, 11, 22, 44, 651223, 1302446, 2604892, 7163453, 14326906, 28653812]

約数ペア:

[(1, 28653812), (2, 14326906), (4, 7163453), (11, 2604892), (22, 1302446), (44, 651223)]