51563288

素因数分解:

$2^3\times 7^2\times {\mathrm{199}}^1\times {\mathrm{661}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 113202000

約数和(自身を除く): 61638712

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 199, 392, 398, 661, 796, 1322, 1393, 1592, 2644, 2786, 4627, 5288, 5572, 9254, 9751, 11144, 18508, 19502, 32389, 37016, 39004, 64778, 78008, 129556, 131539, 259112, 263078, 526156, 920773, 1052312, 1841546, 3683092, 6445411, 7366184, 12890822, 25781644, 51563288]

約数ペア:

[(1, 51563288), (2, 25781644), (4, 12890822), (7, 7366184), (8, 6445411), (14, 3683092), (28, 1841546), (49, 1052312), (56, 920773), (98, 526156), (196, 263078), (199, 259112), (392, 131539), (398, 129556), (661, 78008), (796, 64778), (1322, 39004), (1393, 37016), (1592, 32389), (2644, 19502), (2786, 18508), (4627, 11144), (5288, 9751), (5572, 9254)]