855366910

素因数分解:

$2^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{198461}}^1$

素因数の和:198899

約数の個数: 16

約数和(自身を含む): 1543240512

約数和(自身を除く): 687873602

約数列:

[1, 2, 5, 10, 431, 862, 2155, 4310, 198461, 396922, 992305, 1984610, 85536691, 171073382, 427683455, 855366910]

約数ペア:

[(1, 855366910), (2, 427683455), (5, 171073382), (10, 85536691), (431, 1984610), (862, 992305), (2155, 396922), (4310, 198461)]