81045912

素因数分解:

$2^3\times 3^1\times {\mathrm{137}}^1\times {\mathrm{157}}^2$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 205401960

約数和(自身を除く): 124356048

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 137, 157, 274, 314, 411, 471, 548, 628, 822, 942, 1096, 1256, 1644, 1884, 3288, 3768, 21509, 24649, 43018, 49298, 64527, 73947, 86036, 98596, 129054, 147894, 172072, 197192, 258108, 295788, 516216, 591576, 3376913, 6753826, 10130739, 13507652, 20261478, 27015304, 40522956, 81045912]

約数ペア:

[(1, 81045912), (2, 40522956), (3, 27015304), (4, 20261478), (6, 13507652), (8, 10130739), (12, 6753826), (24, 3376913), (137, 591576), (157, 516216), (274, 295788), (314, 258108), (411, 197192), (471, 172072), (548, 147894), (628, 129054), (822, 98596), (942, 86036), (1096, 73947), (1256, 64527), (1644, 49298), (1884, 43018), (3288, 24649), (3768, 21509)]