28687484

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{21799}}^1$

素因数の和:21857

約数の個数: 24

約数和(自身を含む): 58598400

約数和(自身を除く): 29910916

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 21799, 43598, 87196, 152593, 305186, 610372, 1024553, 2049106, 4098212, 7171871, 14343742, 28687484]

約数ペア:

[(1, 28687484), (2, 14343742), (4, 7171871), (7, 4098212), (14, 2049106), (28, 1024553), (47, 610372), (94, 305186), (188, 152593), (329, 87196), (658, 43598), (1316, 21799)]