28557844

素因数分解:

$2^2\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1543}}^1$

素因数の和:2215

約数の個数: 24

約数和(自身を含む): 57239168

約数和(自身を除く): 28681324

約数列:

[1, 2, 4, 7, 14, 28, 661, 1322, 1543, 2644, 3086, 4627, 6172, 9254, 10801, 18508, 21602, 43204, 1019923, 2039846, 4079692, 7139461, 14278922, 28557844]

約数ペア:

[(1, 28557844), (2, 14278922), (4, 7139461), (7, 4079692), (14, 2039846), (28, 1019923), (661, 43204), (1322, 21602), (1543, 18508), (2644, 10801), (3086, 9254), (4627, 6172)]