28198456

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^2$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 62513640

約数和(自身を除く): 34315184

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 157, 286, 314, 572, 628, 1144, 1256, 1727, 2041, 3454, 4082, 6908, 8164, 13816, 16328, 22451, 24649, 44902, 49298, 89804, 98596, 179608, 197192, 271139, 320437, 542278, 640874, 1084556, 1281748, 2169112, 2563496, 3524807, 7049614, 14099228, 28198456]

約数ペア:

[(1, 28198456), (2, 14099228), (4, 7049614), (8, 3524807), (11, 2563496), (13, 2169112), (22, 1281748), (26, 1084556), (44, 640874), (52, 542278), (88, 320437), (104, 271139), (143, 197192), (157, 179608), (286, 98596), (314, 89804), (572, 49298), (628, 44902), (1144, 24649), (1256, 22451), (1727, 16328), (2041, 13816), (3454, 8164), (4082, 6908)]