28653724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{651221}}^1$

素因数の和:651236

約数の個数: 12

約数和(自身を含む): 54702648

約数和(自身を除く): 26048924

約数列:

[1, 2, 4, 11, 22, 44, 651221, 1302442, 2604884, 7163431, 14326862, 28653724]

約数ペア:

[(1, 28653724), (2, 14326862), (4, 7163431), (11, 2604884), (22, 1302442), (44, 651221)]