28261716

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{661}}^1$

素因数の和:1184

約数の個数: 48

約数和(自身を含む): 75626880

約数和(自身を除く): 47365164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 509, 661, 1018, 1322, 1527, 1983, 2036, 2644, 3054, 3563, 3966, 4627, 6108, 7126, 7932, 9254, 10689, 13881, 14252, 18508, 21378, 27762, 42756, 55524, 336449, 672898, 1009347, 1345796, 2018694, 2355143, 4037388, 4710286, 7065429, 9420572, 14130858, 28261716]

約数ペア:

[(1, 28261716), (2, 14130858), (3, 9420572), (4, 7065429), (6, 4710286), (7, 4037388), (12, 2355143), (14, 2018694), (21, 1345796), (28, 1009347), (42, 672898), (84, 336449), (509, 55524), (661, 42756), (1018, 27762), (1322, 21378), (1527, 18508), (1983, 14252), (2036, 13881), (2644, 10689), (3054, 9254), (3563, 7932), (3966, 7126), (4627, 6108)]