28206155

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{617}}^1$

素因数の和:886

約数の個数: 16

約数和(自身を含む): 34884864

約数和(自身を除く): 6678709

約数列:

[1, 5, 41, 205, 223, 617, 1115, 3085, 9143, 25297, 45715, 126485, 137591, 687955, 5641231, 28206155]

約数ペア:

[(1, 28206155), (5, 5641231), (41, 687955), (205, 137591), (223, 126485), (617, 45715), (1115, 25297), (3085, 9143)]