39820291

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:523

約数の個数: 24

約数和(自身を含む): 49001760

約数和(自身を除く): 9181469

約数列:

[1, 7, 23, 49, 89, 161, 397, 623, 1127, 2047, 2779, 4361, 9131, 14329, 19453, 35333, 63917, 100303, 247331, 447419, 812659, 1731317, 5688613, 39820291]

約数ペア:

[(1, 39820291), (7, 5688613), (23, 1731317), (49, 812659), (89, 447419), (161, 247331), (397, 100303), (623, 63917), (1127, 35333), (2047, 19453), (2779, 14329), (4361, 9131)]