640804548018

素因数分解:

$2^1\times 3^1\times {\mathrm{139}}^1\times {\mathrm{768350777}}^1$

素因数の和:768350921

約数の個数: 16

約数和(自身を含む): 1290829307040

約数和(自身を除く): 650024759022

約数列:

[1, 2, 3, 6, 139, 278, 417, 834, 768350777, 1536701554, 2305052331, 4610104662, 106800758003, 213601516006, 320402274009, 640804548018]

約数ペア:

[(1, 640804548018), (2, 320402274009), (3, 213601516006), (6, 106800758003), (139, 4610104662), (278, 2305052331), (417, 1536701554), (834, 768350777)]