1555372220

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{342593}}^1$

素因数の和:342829

約数の個数: 24

約数和(自身を含む): 3280680144

約数和(自身を除く): 1725307924

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 342593, 685186, 1370372, 1712965, 3425930, 6851860, 77768611, 155537222, 311074444, 388843055, 777686110, 1555372220]

約数ペア:

[(1, 1555372220), (2, 777686110), (4, 388843055), (5, 311074444), (10, 155537222), (20, 77768611), (227, 6851860), (454, 3425930), (908, 1712965), (1135, 1370372), (2270, 685186), (4540, 342593)]