64882223

素因数分解:

$7^4\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:532

約数の個数: 20

約数和(自身を含む): 77105928

約数和(自身を除く): 12223705

約数列:

[1, 7, 49, 61, 343, 427, 443, 2401, 2989, 3101, 20923, 21707, 27023, 146461, 151949, 189161, 1063643, 1324127, 9268889, 64882223]

約数ペア:

[(1, 64882223), (7, 9268889), (49, 1324127), (61, 1063643), (343, 189161), (427, 151949), (443, 146461), (2401, 27023), (2989, 21707), (3101, 20923)]