278322268

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{242441}}^1$

素因数の和:242493

約数の個数: 24

約数和(自身を含む): 570223584

約数和(自身を除く): 291901316

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 242441, 484882, 969764, 1697087, 3394174, 6788348, 9940081, 19880162, 39760324, 69580567, 139161134, 278322268]

約数ペア:

[(1, 278322268), (2, 139161134), (4, 69580567), (7, 39760324), (14, 19880162), (28, 9940081), (41, 6788348), (82, 3394174), (164, 1697087), (287, 969764), (574, 484882), (1148, 242441)]