28040172

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{32911}}^1$

素因数の和:32989

約数の個数: 24

約数和(自身を含む): 66350592

約数和(自身を除く): 38310420

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 32911, 65822, 98733, 131644, 197466, 394932, 2336681, 4673362, 7010043, 9346724, 14020086, 28040172]

約数ペア:

[(1, 28040172), (2, 14020086), (3, 9346724), (4, 7010043), (6, 4673362), (12, 2336681), (71, 394932), (142, 197466), (213, 131644), (284, 98733), (426, 65822), (852, 32911)]