28279990

素因数分解:

$2^1\times 5^1\times {\mathrm{1451}}^1\times {\mathrm{1949}}^1$

素因数の和:3407

約数の個数: 16

約数和(自身を含む): 50965200

約数和(自身を除く): 22685210

約数列:

[1, 2, 5, 10, 1451, 1949, 2902, 3898, 7255, 9745, 14510, 19490, 2827999, 5655998, 14139995, 28279990]

約数ペア:

[(1, 28279990), (2, 14139995), (5, 5655998), (10, 2827999), (1451, 19490), (1949, 14510), (2902, 9745), (3898, 7255)]