30657284

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{7877}}^1$

素因数の和:8027

約数の個数: 24

約数和(自身を含む): 61763520

約数和(自身を除く): 31106236

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 7877, 15754, 31508, 55139, 110278, 220556, 1094903, 2189806, 4379612, 7664321, 15328642, 30657284]

約数ペア:

[(1, 30657284), (2, 15328642), (4, 7664321), (7, 4379612), (14, 2189806), (28, 1094903), (139, 220556), (278, 110278), (556, 55139), (973, 31508), (1946, 15754), (3892, 7877)]