28151892

素因数分解:

$2^2\times 3^2\times {\mathrm{781997}}^1$

素因数の和:782007

約数の個数: 18

約数和(自身を含む): 71161818

約数和(自身を除く): 43009926

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 781997, 1563994, 2345991, 3127988, 4691982, 7037973, 9383964, 14075946, 28151892]

約数ペア:

[(1, 28151892), (2, 14075946), (3, 9383964), (4, 7037973), (6, 4691982), (9, 3127988), (12, 2345991), (18, 1563994), (36, 781997)]