16557745

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1487}}^1$

素因数の和:1640

約数の個数: 16

約数和(自身を含む): 21212928

約数和(自身を除く): 4655183

約数列:

[1, 5, 17, 85, 131, 655, 1487, 2227, 7435, 11135, 25279, 126395, 194797, 973985, 3311549, 16557745]

約数ペア:

[(1, 16557745), (5, 3311549), (17, 973985), (85, 194797), (131, 126395), (655, 25279), (1487, 11135), (2227, 7435)]