28240564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{971}}^1$

素因数の和:1647

約数の個数: 24

約数和(自身を含む): 54050976

約数和(自身を除く): 25810412

約数列:

[1, 2, 4, 11, 22, 44, 661, 971, 1322, 1942, 2644, 3884, 7271, 10681, 14542, 21362, 29084, 42724, 641831, 1283662, 2567324, 7060141, 14120282, 28240564]

約数ペア:

[(1, 28240564), (2, 14120282), (4, 7060141), (11, 2567324), (22, 1283662), (44, 641831), (661, 42724), (971, 29084), (1322, 21362), (1942, 14542), (2644, 10681), (3884, 7271)]