7887971

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:124

約数の個数: 32

約数和(自身を含む): 10416000

約数和(自身を除く): 2528029

約数列:

[1, 7, 13, 29, 49, 61, 91, 203, 343, 377, 427, 637, 793, 1421, 1769, 2639, 2989, 4459, 5551, 9947, 12383, 18473, 20923, 22997, 38857, 86681, 129311, 160979, 271999, 606767, 1126853, 7887971]

約数ペア:

[(1, 7887971), (7, 1126853), (13, 606767), (29, 271999), (49, 160979), (61, 129311), (91, 86681), (203, 38857), (343, 22997), (377, 20923), (427, 18473), (637, 12383), (793, 9947), (1421, 5551), (1769, 4459), (2639, 2989)]