142940245

素因数分解:

$5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{20731}}^1$

素因数の和:20940

約数の個数: 16

約数和(自身を含む): 197036928

約数和(自身を除く): 54096683

約数列:

[1, 5, 7, 35, 197, 985, 1379, 6895, 20731, 103655, 145117, 725585, 4084007, 20420035, 28588049, 142940245]

約数ペア:

[(1, 142940245), (5, 28588049), (7, 20420035), (35, 4084007), (197, 725585), (985, 145117), (1379, 103655), (6895, 20731)]