78400638

素因数分解:

$2^1\times 3^2\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{541}}^1$

素因数の和:729

約数の個数: 48

約数和(自身を含む): 174008016

約数和(自身を除く): 95607378

約数列:

[1, 2, 3, 6, 9, 18, 83, 97, 166, 194, 249, 291, 498, 541, 582, 747, 873, 1082, 1494, 1623, 1746, 3246, 4869, 8051, 9738, 16102, 24153, 44903, 48306, 52477, 72459, 89806, 104954, 134709, 144918, 157431, 269418, 314862, 404127, 472293, 808254, 944586, 4355591, 8711182, 13066773, 26133546, 39200319, 78400638]

約数ペア:

[(1, 78400638), (2, 39200319), (3, 26133546), (6, 13066773), (9, 8711182), (18, 4355591), (83, 944586), (97, 808254), (166, 472293), (194, 404127), (249, 314862), (291, 269418), (498, 157431), (541, 144918), (582, 134709), (747, 104954), (873, 89806), (1082, 72459), (1494, 52477), (1623, 48306), (1746, 44903), (3246, 24153), (4869, 16102), (8051, 9738)]