172066775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{1613}}^1$

素因数の和:1891

約数の個数: 24

約数和(自身を含む): 226954224

約数和(自身を除く): 54887449

約数列:

[1, 5, 17, 25, 85, 251, 425, 1255, 1613, 4267, 6275, 8065, 21335, 27421, 40325, 106675, 137105, 404863, 685525, 2024315, 6882671, 10121575, 34413355, 172066775]

約数ペア:

[(1, 172066775), (5, 34413355), (17, 10121575), (25, 6882671), (85, 2024315), (251, 685525), (425, 404863), (1255, 137105), (1613, 106675), (4267, 40325), (6275, 27421), (8065, 21335)]