2041025

素因数分解:

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

素因数の和:233

約数の個数: 24

約数和(自身を含む): 2946240

約数和(自身を除く): 905215

約数列:

[1, 5, 7, 25, 35, 107, 109, 175, 535, 545, 749, 763, 2675, 2725, 3745, 3815, 11663, 18725, 19075, 58315, 81641, 291575, 408205, 2041025]

約数ペア:

[(1, 2041025), (5, 408205), (7, 291575), (25, 81641), (35, 58315), (107, 19075), (109, 18725), (175, 11663), (535, 3815), (545, 3745), (749, 2725), (763, 2675)]