28996688

素因数分解:

$2^4\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1301}}^1$

素因数の和:1515

約数の個数: 40

約数和(自身を含む): 64579200

約数和(自身を除く): 35582512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 199, 398, 796, 1301, 1393, 1592, 2602, 2786, 3184, 5204, 5572, 9107, 10408, 11144, 18214, 20816, 22288, 36428, 72856, 145712, 258899, 517798, 1035596, 1812293, 2071192, 3624586, 4142384, 7249172, 14498344, 28996688]

約数ペア:

[(1, 28996688), (2, 14498344), (4, 7249172), (7, 4142384), (8, 3624586), (14, 2071192), (16, 1812293), (28, 1035596), (56, 517798), (112, 258899), (199, 145712), (398, 72856), (796, 36428), (1301, 22288), (1393, 20816), (1592, 18214), (2602, 11144), (2786, 10408), (3184, 9107), (5204, 5572)]