16900247

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{617}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 21699216

約数和(自身を除く): 4798969

約数列:

[1, 7, 13, 43, 49, 91, 301, 559, 617, 637, 2107, 3913, 4319, 8021, 26531, 27391, 30233, 56147, 185717, 344903, 393029, 1300019, 2414321, 16900247]

約数ペア:

[(1, 16900247), (7, 2414321), (13, 1300019), (43, 393029), (49, 344903), (91, 185717), (301, 56147), (559, 30233), (617, 27391), (637, 26531), (2107, 8021), (3913, 4319)]