13980484

素因数分解:

$2^2\times 7^2\times {\mathrm{71329}}^1$

素因数の和:71347

約数の個数: 18

約数和(自身を含む): 28460670

約数和(自身を除く): 14480186

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 71329, 142658, 285316, 499303, 998606, 1997212, 3495121, 6990242, 13980484]

約数ペア:

[(1, 13980484), (2, 6990242), (4, 3495121), (7, 1997212), (14, 998606), (28, 499303), (49, 285316), (98, 142658), (196, 71329)]