28191805

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{1217}}^1$

素因数の和:1376

約数の個数: 16

約数和(自身を含む): 34990704

約数和(自身を除く): 6798899

約数列:

[1, 5, 41, 113, 205, 565, 1217, 4633, 6085, 23165, 49897, 137521, 249485, 687605, 5638361, 28191805]

約数ペア:

[(1, 28191805), (5, 5638361), (41, 687605), (113, 249485), (205, 137521), (565, 49897), (1217, 23165), (4633, 6085)]