90427519

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 115831296

約数和(自身を除く): 25403777

約数列:

[1, 7, 13, 37, 91, 107, 251, 259, 481, 749, 1391, 1757, 3263, 3367, 3959, 9287, 9737, 22841, 26857, 27713, 51467, 65009, 120731, 187999, 349141, 360269, 845117, 993709, 2443987, 6955963, 12918217, 90427519]

約数ペア:

[(1, 90427519), (7, 12918217), (13, 6955963), (37, 2443987), (91, 993709), (107, 845117), (251, 360269), (259, 349141), (481, 187999), (749, 120731), (1391, 65009), (1757, 51467), (3263, 27713), (3367, 26857), (3959, 22841), (9287, 9737)]