28891252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{5501}}^1$

素因数の和:5619

約数の個数: 24

約数和(自身を含む): 54997992

約数和(自身を除く): 26106740

約数列:

[1, 2, 4, 13, 26, 52, 101, 202, 404, 1313, 2626, 5252, 5501, 11002, 22004, 71513, 143026, 286052, 555601, 1111202, 2222404, 7222813, 14445626, 28891252]

約数ペア:

[(1, 28891252), (2, 14445626), (4, 7222813), (13, 2222404), (26, 1111202), (52, 555601), (101, 286052), (202, 143026), (404, 71513), (1313, 22004), (2626, 11002), (5252, 5501)]