278312666233

素因数分解:

$7^1\times {\mathrm{31}}^2\times {\mathrm{293}}^1\times {\mathrm{337}}^1\times {\mathrm{419}}^1$

素因数の和:1118

約数の個数: 48

約数和(自身を含む): 331552690560

約数和(自身を除く): 53240024327

約数列:

[1, 7, 31, 217, 293, 337, 419, 961, 2051, 2359, 2933, 6727, 9083, 10447, 12989, 63581, 73129, 90923, 98741, 122767, 141203, 281573, 323857, 402659, 691187, 859369, 988421, 1971011, 2266999, 2818613, 3060971, 3805777, 4377293, 21426797, 26640439, 30641051, 41372479, 94890101, 117979087, 135696083, 289607353, 664230707, 825853609, 949872581, 1282546849, 8977827943, 39758952319, 278312666233]

約数ペア:

[(1, 278312666233), (7, 39758952319), (31, 8977827943), (217, 1282546849), (293, 949872581), (337, 825853609), (419, 664230707), (961, 289607353), (2051, 135696083), (2359, 117979087), (2933, 94890101), (6727, 41372479), (9083, 30641051), (10447, 26640439), (12989, 21426797), (63581, 4377293), (73129, 3805777), (90923, 3060971), (98741, 2818613), (122767, 2266999), (141203, 1971011), (281573, 988421), (323857, 859369), (402659, 691187)]