16855265

素因数分解:

$5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{773}}^1$

素因数の和:881

約数の個数: 24

約数和(自身を含む): 23823720

約数和(自身を除く): 6968455

約数列:

[1, 5, 7, 35, 49, 89, 245, 445, 623, 773, 3115, 3865, 4361, 5411, 21805, 27055, 37877, 68797, 189385, 343985, 481579, 2407895, 3371053, 16855265]

約数ペア:

[(1, 16855265), (5, 3371053), (7, 2407895), (35, 481579), (49, 343985), (89, 189385), (245, 68797), (445, 37877), (623, 27055), (773, 21805), (3115, 5411), (3865, 4361)]