55740216

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1291}}^1$

素因数の和:1564

約数の個数: 64

約数和(自身を含む): 160001280

約数和(自身を除く): 104261064

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 257, 514, 771, 1028, 1291, 1542, 1799, 2056, 2582, 3084, 3598, 3873, 5164, 5397, 6168, 7196, 7746, 9037, 10328, 10794, 14392, 15492, 18074, 21588, 27111, 30984, 36148, 43176, 54222, 72296, 108444, 216888, 331787, 663574, 995361, 1327148, 1990722, 2322509, 2654296, 3981444, 4645018, 6967527, 7962888, 9290036, 13935054, 18580072, 27870108, 55740216]

約数ペア:

[(1, 55740216), (2, 27870108), (3, 18580072), (4, 13935054), (6, 9290036), (7, 7962888), (8, 6967527), (12, 4645018), (14, 3981444), (21, 2654296), (24, 2322509), (28, 1990722), (42, 1327148), (56, 995361), (84, 663574), (168, 331787), (257, 216888), (514, 108444), (771, 72296), (1028, 54222), (1291, 43176), (1542, 36148), (1799, 30984), (2056, 27111), (2582, 21588), (3084, 18074), (3598, 15492), (3873, 14392), (5164, 10794), (5397, 10328), (6168, 9037), (7196, 7746)]