78421648

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{132469}}^1$

素因数の和:132514

約数の個数: 20

約数和(自身を含む): 156049660

約数和(自身を除く): 77628012

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 132469, 264938, 529876, 1059752, 2119504, 4901353, 9802706, 19605412, 39210824, 78421648]

約数ペア:

[(1, 78421648), (2, 39210824), (4, 19605412), (8, 9802706), (16, 4901353), (37, 2119504), (74, 1059752), (148, 529876), (296, 264938), (592, 132469)]