128286396

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{169691}}^1$

素因数の和:169711

約数の個数: 48

約数和(自身を含む): 380110080

約数和(自身を除く): 251823684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 169691, 339382, 509073, 678764, 1018146, 1187837, 1527219, 2036292, 2375674, 3054438, 3563511, 4581657, 4751348, 6108876, 7127022, 9163314, 10690533, 14254044, 18326628, 21381066, 32071599, 42762132, 64143198, 128286396]

約数ペア:

[(1, 128286396), (2, 64143198), (3, 42762132), (4, 32071599), (6, 21381066), (7, 18326628), (9, 14254044), (12, 10690533), (14, 9163314), (18, 7127022), (21, 6108876), (27, 4751348), (28, 4581657), (36, 3563511), (42, 3054438), (54, 2375674), (63, 2036292), (84, 1527219), (108, 1187837), (126, 1018146), (189, 678764), (252, 509073), (378, 339382), (756, 169691)]