678005270

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{41519}}^1$

素因数の和:41620

約数の個数: 32

約数和(自身を含む): 1291438080

約数和(自身を除く): 613432810

約数列:

[1, 2, 5, 10, 23, 46, 71, 115, 142, 230, 355, 710, 1633, 3266, 8165, 16330, 41519, 83038, 207595, 415190, 954937, 1909874, 2947849, 4774685, 5895698, 9549370, 14739245, 29478490, 67800527, 135601054, 339002635, 678005270]

約数ペア:

[(1, 678005270), (2, 339002635), (5, 135601054), (10, 67800527), (23, 29478490), (46, 14739245), (71, 9549370), (115, 5895698), (142, 4774685), (230, 2947849), (355, 1909874), (710, 954937), (1633, 415190), (3266, 207595), (8165, 83038), (16330, 41519)]