28261667

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{4481}}^1$

素因数の和:4558

約数の個数: 16

約数和(自身を含む): 34852032

約数和(自身を除く): 6590365

約数列:

[1, 7, 17, 53, 119, 371, 901, 4481, 6307, 31367, 76177, 237493, 533239, 1662451, 4037381, 28261667]

約数ペア:

[(1, 28261667), (7, 4037381), (17, 1662451), (53, 533239), (119, 237493), (371, 76177), (901, 31367), (4481, 6307)]