2891819

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1279}}^1$

素因数の和:1322

約数の個数: 16

約数和(自身を含む): 3686400

約数和(自身を除く): 794581

約数列:

[1, 7, 17, 19, 119, 133, 323, 1279, 2261, 8953, 21743, 24301, 152201, 170107, 413117, 2891819]

約数ペア:

[(1, 2891819), (7, 413117), (17, 170107), (19, 152201), (119, 24301), (133, 21743), (323, 8953), (1279, 2261)]