28457506

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:295

約数の個数: 48

約数和(自身を含む): 54468288

約数和(自身を除く): 26010782

約数列:

[1, 2, 7, 11, 14, 22, 77, 107, 121, 154, 157, 214, 242, 314, 749, 847, 1099, 1177, 1498, 1694, 1727, 2198, 2354, 3454, 8239, 12089, 12947, 16478, 16799, 18997, 24178, 25894, 33598, 37994, 90629, 117593, 132979, 181258, 184789, 235186, 265958, 369578, 1293523, 2032679, 2587046, 4065358, 14228753, 28457506]

約数ペア:

[(1, 28457506), (2, 14228753), (7, 4065358), (11, 2587046), (14, 2032679), (22, 1293523), (77, 369578), (107, 265958), (121, 235186), (154, 184789), (157, 181258), (214, 132979), (242, 117593), (314, 90629), (749, 37994), (847, 33598), (1099, 25894), (1177, 24178), (1498, 18997), (1694, 16799), (1727, 16478), (2198, 12947), (2354, 12089), (3454, 8239)]