79975712

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{661}}^1$

素因数の和:889

約数の個数: 48

約数和(自身を含む): 166824000

約数和(自身を除く): 86848288

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 199, 304, 398, 608, 661, 796, 1322, 1592, 2644, 3184, 3781, 5288, 6368, 7562, 10576, 12559, 15124, 21152, 25118, 30248, 50236, 60496, 100472, 120992, 131539, 200944, 263078, 401888, 526156, 1052312, 2104624, 2499241, 4209248, 4998482, 9996964, 19993928, 39987856, 79975712]

約数ペア:

[(1, 79975712), (2, 39987856), (4, 19993928), (8, 9996964), (16, 4998482), (19, 4209248), (32, 2499241), (38, 2104624), (76, 1052312), (152, 526156), (199, 401888), (304, 263078), (398, 200944), (608, 131539), (661, 120992), (796, 100472), (1322, 60496), (1592, 50236), (2644, 30248), (3184, 25118), (3781, 21152), (5288, 15124), (6368, 12559), (7562, 10576)]