9986249

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 12764808

約数和(自身を除く): 2778559

約数列:

[1, 7, 13, 49, 61, 91, 257, 427, 637, 793, 1799, 2989, 3341, 5551, 12593, 15677, 23387, 38857, 109739, 163709, 203801, 768173, 1426607, 9986249]

約数ペア:

[(1, 9986249), (7, 1426607), (13, 768173), (49, 203801), (61, 163709), (91, 109739), (257, 38857), (427, 23387), (637, 15677), (793, 12593), (1799, 5551), (2989, 3341)]