28702964

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{199}}^1\times {\mathrm{337}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 51105600

約数和(自身を除く): 22402636

約数列:

[1, 2, 4, 107, 199, 214, 337, 398, 428, 674, 796, 1348, 21293, 36059, 42586, 67063, 72118, 85172, 134126, 144236, 268252, 7175741, 14351482, 28702964]

約数ペア:

[(1, 28702964), (2, 14351482), (4, 7175741), (107, 268252), (199, 144236), (214, 134126), (337, 85172), (398, 72118), (428, 67063), (674, 42586), (796, 36059), (1348, 21293)]