13240556

素因数分解:

$2^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{971}}^1$

素因数の和:1469

約数の個数: 24

約数和(自身を含む): 26562816

約数和(自身を除く): 13322260

約数列:

[1, 2, 4, 7, 14, 28, 487, 971, 974, 1942, 1948, 3409, 3884, 6797, 6818, 13594, 13636, 27188, 472877, 945754, 1891508, 3310139, 6620278, 13240556]

約数ペア:

[(1, 13240556), (2, 6620278), (4, 3310139), (7, 1891508), (14, 945754), (28, 472877), (487, 27188), (971, 13636), (974, 13594), (1942, 6818), (1948, 6797), (3409, 3884)]