128568328

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 282240000

約数和(自身を除く): 153671672

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 139, 166, 199, 278, 332, 398, 556, 581, 664, 796, 973, 1112, 1162, 1393, 1592, 1946, 2324, 2786, 3892, 4648, 5572, 7784, 11144, 11537, 16517, 23074, 27661, 33034, 46148, 55322, 66068, 80759, 92296, 110644, 115619, 132136, 161518, 193627, 221288, 231238, 323036, 387254, 462476, 646072, 774508, 924952, 1549016, 2295863, 4591726, 9183452, 16071041, 18366904, 32142082, 64284164, 128568328]

約数ペア:

[(1, 128568328), (2, 64284164), (4, 32142082), (7, 18366904), (8, 16071041), (14, 9183452), (28, 4591726), (56, 2295863), (83, 1549016), (139, 924952), (166, 774508), (199, 646072), (278, 462476), (332, 387254), (398, 323036), (556, 231238), (581, 221288), (664, 193627), (796, 161518), (973, 132136), (1112, 115619), (1162, 110644), (1393, 92296), (1592, 80759), (1946, 66068), (2324, 55322), (2786, 46148), (3892, 33034), (4648, 27661), (5572, 23074), (7784, 16517), (11144, 11537)]