1257339839

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{1979}}^1$

素因数の和:2303

約数の個数: 32

約数和(自身を含む): 1608076800

約数和(自身を除く): 350736961

約数列:

[1, 7, 17, 19, 119, 133, 281, 323, 1967, 1979, 2261, 4777, 5339, 13853, 33439, 33643, 37373, 37601, 90763, 235501, 263207, 556099, 635341, 639217, 3892693, 4474519, 9453683, 10565881, 66175781, 73961167, 179619977, 1257339839]

約数ペア:

[(1, 1257339839), (7, 179619977), (17, 73961167), (19, 66175781), (119, 10565881), (133, 9453683), (281, 4474519), (323, 3892693), (1967, 639217), (1979, 635341), (2261, 556099), (4777, 263207), (5339, 235501), (13853, 90763), (33439, 37601), (33643, 37373)]