2857435

素因数分解:

$5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:235

約数の個数: 24

約数和(自身を含む): 4062960

約数和(自身を除く): 1205525

約数列:

[1, 5, 7, 35, 49, 107, 109, 245, 535, 545, 749, 763, 3745, 3815, 5243, 5341, 11663, 26215, 26705, 58315, 81641, 408205, 571487, 2857435]

約数ペア:

[(1, 2857435), (5, 571487), (7, 408205), (35, 81641), (49, 58315), (107, 26705), (109, 26215), (245, 11663), (535, 5341), (545, 5243), (749, 3815), (763, 3745)]