28539590

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{6779}}^1$

素因数の和:7207

約数の個数: 16

約数和(自身を含む): 51500880

約数和(自身を除く): 22961290

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 6779, 13558, 33895, 67790, 2853959, 5707918, 14269795, 28539590]

約数ペア:

[(1, 28539590), (2, 14269795), (5, 5707918), (10, 2853959), (421, 67790), (842, 33895), (2105, 13558), (4210, 6779)]