28683690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{997}}^1$

素因数の和:1151

約数の個数: 64

約数和(自身を含む): 79329024

約数和(自身を除く): 50645334

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 137, 210, 274, 411, 685, 822, 959, 997, 1370, 1918, 1994, 2055, 2877, 2991, 4110, 4795, 4985, 5754, 5982, 6979, 9590, 9970, 13958, 14385, 14955, 20937, 28770, 29910, 34895, 41874, 69790, 104685, 136589, 209370, 273178, 409767, 682945, 819534, 956123, 1365890, 1912246, 2048835, 2868369, 4097670, 4780615, 5736738, 9561230, 14341845, 28683690]

約数ペア:

[(1, 28683690), (2, 14341845), (3, 9561230), (5, 5736738), (6, 4780615), (7, 4097670), (10, 2868369), (14, 2048835), (15, 1912246), (21, 1365890), (30, 956123), (35, 819534), (42, 682945), (70, 409767), (105, 273178), (137, 209370), (210, 136589), (274, 104685), (411, 69790), (685, 41874), (822, 34895), (959, 29910), (997, 28770), (1370, 20937), (1918, 14955), (1994, 14385), (2055, 13958), (2877, 9970), (2991, 9590), (4110, 6979), (4795, 5982), (4985, 5754)]