13780912

素因数分解:

$2^4\times {\mathrm{653}}^1\times {\mathrm{1319}}^1$

素因数の和:1980

約数の個数: 20

約数和(自身を含む): 26761680

約数和(自身を除く): 12980768

約数列:

[1, 2, 4, 8, 16, 653, 1306, 1319, 2612, 2638, 5224, 5276, 10448, 10552, 21104, 861307, 1722614, 3445228, 6890456, 13780912]

約数ペア:

[(1, 13780912), (2, 6890456), (4, 3445228), (8, 1722614), (16, 861307), (653, 21104), (1306, 10552), (1319, 10448), (2612, 5276), (2638, 5224)]