25296985

素因数分解:

$5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1307}}^1$

素因数の和:1405

約数の個数: 24

約数和(自身を含む): 35786880

約数和(自身を除く): 10489895

約数列:

[1, 5, 7, 35, 49, 79, 245, 395, 553, 1307, 2765, 3871, 6535, 9149, 19355, 45745, 64043, 103253, 320215, 516265, 722771, 3613855, 5059397, 25296985]

約数ペア:

[(1, 25296985), (5, 5059397), (7, 3613855), (35, 722771), (49, 516265), (79, 320215), (245, 103253), (395, 64043), (553, 45745), (1307, 19355), (2765, 9149), (3871, 6535)]