28665421

素因数分解:

${\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:396

約数の個数: 16

約数和(自身を含む): 30689280

約数和(自身を除く): 2023859

約数列:

[1, 31, 53, 73, 239, 1643, 2263, 3869, 7409, 12667, 17447, 119939, 392677, 540857, 924691, 28665421]

約数ペア:

[(1, 28665421), (31, 924691), (53, 540857), (73, 392677), (239, 119939), (1643, 17447), (2263, 12667), (3869, 7409)]