841678990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{937}}^1\times {\mathrm{2089}}^1$

素因数の和:3076

約数の個数: 32

約数和(自身を含む): 1552652640

約数和(自身を除く): 710973650

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 937, 1874, 2089, 4178, 4685, 9370, 10445, 20890, 40291, 80582, 89827, 179654, 201455, 402910, 449135, 898270, 1957393, 3914786, 9786965, 19573930, 84167899, 168335798, 420839495, 841678990]

約数ペア:

[(1, 841678990), (2, 420839495), (5, 168335798), (10, 84167899), (43, 19573930), (86, 9786965), (215, 3914786), (430, 1957393), (937, 898270), (1874, 449135), (2089, 402910), (4178, 201455), (4685, 179654), (9370, 89827), (10445, 80582), (20890, 40291)]