68139988

素因数分解:

$2^2\times 7^2\times {\mathrm{199}}^1\times {\mathrm{1747}}^1$

素因数の和:1964

約数の個数: 36

約数和(自身を含む): 139490400

約数和(自身を除く): 71350412

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 199, 398, 796, 1393, 1747, 2786, 3494, 5572, 6988, 9751, 12229, 19502, 24458, 39004, 48916, 85603, 171206, 342412, 347653, 695306, 1390612, 2433571, 4867142, 9734284, 17034997, 34069994, 68139988]

約数ペア:

[(1, 68139988), (2, 34069994), (4, 17034997), (7, 9734284), (14, 4867142), (28, 2433571), (49, 1390612), (98, 695306), (196, 347653), (199, 342412), (398, 171206), (796, 85603), (1393, 48916), (1747, 39004), (2786, 24458), (3494, 19502), (5572, 12229), (6988, 9751)]