206840479

素因数分解:

${\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:463

約数の個数: 24

約数和(自身を含む): 233811200

約数和(自身を除く): 26970721

約数列:

[1, 17, 19, 139, 271, 289, 323, 2363, 2641, 4607, 5149, 5491, 37669, 40171, 44897, 78319, 87533, 640373, 715711, 763249, 1488061, 10886341, 12167087, 206840479]

約数ペア:

[(1, 206840479), (17, 12167087), (19, 10886341), (139, 1488061), (271, 763249), (289, 715711), (323, 640373), (2363, 87533), (2641, 78319), (4607, 44897), (5149, 40171), (5491, 37669)]