28420436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{1627}}^1$

素因数の和:2039

約数の個数: 24

約数和(自身を含む): 54427296

約数和(自身を除く): 26006860

約数列:

[1, 2, 4, 11, 22, 44, 397, 794, 1588, 1627, 3254, 4367, 6508, 8734, 17468, 17897, 35794, 71588, 645919, 1291838, 2583676, 7105109, 14210218, 28420436]

約数ペア:

[(1, 28420436), (2, 14210218), (4, 7105109), (11, 2583676), (22, 1291838), (44, 645919), (397, 71588), (794, 35794), (1588, 17897), (1627, 17468), (3254, 8734), (4367, 6508)]