86969897

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{389}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 107515200

約数和(自身を除く): 20545303

約数列:

[1, 7, 19, 41, 133, 287, 389, 779, 1681, 2723, 5453, 7391, 11767, 15949, 31939, 51737, 111643, 223573, 303031, 653909, 2121217, 4577363, 12424271, 86969897]

約数ペア:

[(1, 86969897), (7, 12424271), (19, 4577363), (41, 2121217), (133, 653909), (287, 303031), (389, 223573), (779, 111643), (1681, 51737), (2723, 31939), (5453, 15949), (7391, 11767)]