987581387

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 1117670400

約数和(自身を除く): 130089013

約数列:

[1, 13, 43, 71, 149, 167, 559, 923, 1937, 2171, 3053, 6407, 7181, 10579, 11857, 24883, 39689, 83291, 93353, 137527, 154141, 323479, 454897, 509851, 1069969, 1766693, 5913661, 6628063, 13909597, 22967009, 75967799, 987581387]

約数ペア:

[(1, 987581387), (13, 75967799), (43, 22967009), (71, 13909597), (149, 6628063), (167, 5913661), (559, 1766693), (923, 1069969), (1937, 509851), (2171, 454897), (3053, 323479), (6407, 154141), (7181, 137527), (10579, 93353), (11857, 83291), (24883, 39689)]