78916784

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{547}}^1$

素因数の和:753

約数の個数: 40

約数和(自身を含む): 156561408

約数和(自身を除く): 77644624

約数列:

[1, 2, 4, 8, 16, 71, 127, 142, 254, 284, 508, 547, 568, 1016, 1094, 1136, 2032, 2188, 4376, 8752, 9017, 18034, 36068, 38837, 69469, 72136, 77674, 138938, 144272, 155348, 277876, 310696, 555752, 621392, 1111504, 4932299, 9864598, 19729196, 39458392, 78916784]

約数ペア:

[(1, 78916784), (2, 39458392), (4, 19729196), (8, 9864598), (16, 4932299), (71, 1111504), (127, 621392), (142, 555752), (254, 310696), (284, 277876), (508, 155348), (547, 144272), (568, 138938), (1016, 77674), (1094, 72136), (1136, 69469), (2032, 38837), (2188, 36068), (4376, 18034), (8752, 9017)]