28438004

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{7753}}^1$

素因数の和:7895

約数の個数: 24

約数和(自身を含む): 57317568

約数和(自身を除く): 28879564

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 7753, 15506, 31012, 54271, 108542, 217084, 1015643, 2031286, 4062572, 7109501, 14219002, 28438004]

約数ペア:

[(1, 28438004), (2, 14219002), (4, 7109501), (7, 4062572), (14, 2031286), (28, 1015643), (131, 217084), (262, 108542), (524, 54271), (917, 31012), (1834, 15506), (3668, 7753)]