28687708

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{23827}}^1$

素因数の和:23881

約数の個数: 24

約数和(自身を含む): 58712192

約数和(自身を除く): 30024484

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 23827, 47654, 95308, 166789, 333578, 667156, 1024561, 2049122, 4098244, 7171927, 14343854, 28687708]

約数ペア:

[(1, 28687708), (2, 14343854), (4, 7171927), (7, 4098244), (14, 2049122), (28, 1024561), (43, 667156), (86, 333578), (172, 166789), (301, 95308), (602, 47654), (1204, 23827)]