80506412

素因数分解:

$2^2\times 7^2\times {\mathrm{410747}}^1$

素因数の和:410765

約数の個数: 18

約数和(自身を含む): 163888452

約数和(自身を除く): 83382040

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 410747, 821494, 1642988, 2875229, 5750458, 11500916, 20126603, 40253206, 80506412]

約数ペア:

[(1, 80506412), (2, 40253206), (4, 20126603), (7, 11500916), (14, 5750458), (28, 2875229), (49, 1642988), (98, 821494), (196, 410747)]