28220588

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{293}}^1$

素因数の和:518

約数の個数: 36

約数和(自身を含む): 54742800

約数和(自身を除く): 26522212

約数列:

[1, 2, 4, 11, 22, 44, 121, 199, 242, 293, 398, 484, 586, 796, 1172, 2189, 3223, 4378, 6446, 8756, 12892, 24079, 35453, 48158, 58307, 70906, 96316, 116614, 141812, 233228, 641377, 1282754, 2565508, 7055147, 14110294, 28220588]

約数ペア:

[(1, 28220588), (2, 14110294), (4, 7055147), (11, 2565508), (22, 1282754), (44, 641377), (121, 233228), (199, 141812), (242, 116614), (293, 96316), (398, 70906), (484, 58307), (586, 48158), (796, 35453), (1172, 24079), (2189, 12892), (3223, 8756), (4378, 6446)]