256310664

素因数分解:

$2^3\times 3^1\times {\mathrm{157}}^1\times {\mathrm{68023}}^1$

素因数の和:68189

約数の個数: 32

約数和(自身を含む): 644867520

約数和(自身を除く): 388556856

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 157, 314, 471, 628, 942, 1256, 1884, 3768, 68023, 136046, 204069, 272092, 408138, 544184, 816276, 1632552, 10679611, 21359222, 32038833, 42718444, 64077666, 85436888, 128155332, 256310664]

約数ペア:

[(1, 256310664), (2, 128155332), (3, 85436888), (4, 64077666), (6, 42718444), (8, 32038833), (12, 21359222), (24, 10679611), (157, 1632552), (314, 816276), (471, 544184), (628, 408138), (942, 272092), (1256, 204069), (1884, 136046), (3768, 68023)]