256861512

素因数分解:

$2^3\times 3^2\times {\mathrm{1657}}^1\times {\mathrm{2153}}^1$

素因数の和:3822

約数の個数: 48

約数和(自身を含む): 696409740

約数和(自身を除く): 439548228

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1657, 2153, 3314, 4306, 4971, 6459, 6628, 8612, 9942, 12918, 13256, 14913, 17224, 19377, 19884, 25836, 29826, 38754, 39768, 51672, 59652, 77508, 119304, 155016, 3567521, 7135042, 10702563, 14270084, 21405126, 28540168, 32107689, 42810252, 64215378, 85620504, 128430756, 256861512]

約数ペア:

[(1, 256861512), (2, 128430756), (3, 85620504), (4, 64215378), (6, 42810252), (8, 32107689), (9, 28540168), (12, 21405126), (18, 14270084), (24, 10702563), (36, 7135042), (72, 3567521), (1657, 155016), (2153, 119304), (3314, 77508), (4306, 59652), (4971, 51672), (6459, 39768), (6628, 38754), (8612, 29826), (9942, 25836), (12918, 19884), (13256, 19377), (14913, 17224)]