80829920752

素因数分解:

$2^4\times 7^1\times {\mathrm{721695721}}^1$

素因数の和:721695736

約数の個数: 20

約数和(自身を含む): 178980539056

約数和(自身を除く): 98150618304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 721695721, 1443391442, 2886782884, 5051870047, 5773565768, 10103740094, 11547131536, 20207480188, 40414960376, 80829920752]

約数ペア:

[(1, 80829920752), (2, 40414960376), (4, 20207480188), (7, 11547131536), (8, 10103740094), (14, 5773565768), (16, 5051870047), (28, 2886782884), (56, 1443391442), (112, 721695721)]