28428344

素因数分解:

$2^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2551}}^1$

素因数の和:2763

約数の個数: 32

約数和(自身を含む): 61248000

約数和(自身を除く): 32819656

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 199, 398, 796, 1393, 1592, 2551, 2786, 5102, 5572, 10204, 11144, 17857, 20408, 35714, 71428, 142856, 507649, 1015298, 2030596, 3553543, 4061192, 7107086, 14214172, 28428344]

約数ペア:

[(1, 28428344), (2, 14214172), (4, 7107086), (7, 4061192), (8, 3553543), (14, 2030596), (28, 1015298), (56, 507649), (199, 142856), (398, 71428), (796, 35714), (1393, 20408), (1592, 17857), (2551, 11144), (2786, 10204), (5102, 5572)]