5231681

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 6741504

約数和(自身を除く): 1509823

約数列:

[1, 7, 13, 43, 49, 91, 191, 301, 559, 637, 1337, 2107, 2483, 3913, 8213, 9359, 17381, 27391, 57491, 106769, 121667, 402437, 747383, 5231681]

約数ペア:

[(1, 5231681), (7, 747383), (13, 402437), (43, 121667), (49, 106769), (91, 57491), (191, 27391), (301, 17381), (559, 9359), (637, 8213), (1337, 3913), (2107, 2483)]