17205805

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1013}}^1$

素因数の和:1140

約数の個数: 16

約数和(自身を含む): 21415680

約数和(自身を除く): 4209875

約数列:

[1, 5, 43, 79, 215, 395, 1013, 3397, 5065, 16985, 43559, 80027, 217795, 400135, 3441161, 17205805]

約数ペア:

[(1, 17205805), (5, 3441161), (43, 400135), (79, 217795), (215, 80027), (395, 43559), (1013, 16985), (3397, 5065)]