67981487

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 87713280

約数和(自身を除く): 19731793

約数列:

[1, 7, 17, 19, 107, 119, 133, 281, 323, 749, 1819, 1967, 2033, 2261, 4777, 5339, 12733, 14231, 30067, 33439, 34561, 37373, 90763, 210469, 241927, 511139, 571273, 635341, 3577973, 3998911, 9711641, 67981487]

約数ペア:

[(1, 67981487), (7, 9711641), (17, 3998911), (19, 3577973), (107, 635341), (119, 571273), (133, 511139), (281, 241927), (323, 210469), (749, 90763), (1819, 37373), (1967, 34561), (2033, 33439), (2261, 30067), (4777, 14231), (5339, 12733)]