281374828

素因数分解:

$2^2\times 7^1\times {\mathrm{811}}^1\times {\mathrm{12391}}^1$

素因数の和:13213

約数の個数: 24

約数和(自身を含む): 563489024

約数和(自身を除く): 282114196

約数列:

[1, 2, 4, 7, 14, 28, 811, 1622, 3244, 5677, 11354, 12391, 22708, 24782, 49564, 86737, 173474, 346948, 10049101, 20098202, 40196404, 70343707, 140687414, 281374828]

約数ペア:

[(1, 281374828), (2, 140687414), (4, 70343707), (7, 40196404), (14, 20098202), (28, 10049101), (811, 346948), (1622, 173474), (3244, 86737), (5677, 49564), (11354, 24782), (12391, 22708)]