80072468

素因数分解:

$2^2\times 7^2\times {\mathrm{408533}}^1$

素因数の和:408551

約数の個数: 18

約数和(自身を含む): 163005066

約数和(自身を除く): 82932598

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 408533, 817066, 1634132, 2859731, 5719462, 11438924, 20018117, 40036234, 80072468]

約数ペア:

[(1, 80072468), (2, 40036234), (4, 20018117), (7, 11438924), (14, 5719462), (28, 2859731), (49, 1634132), (98, 817066), (196, 408533)]