67996984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{10883}}^1$

素因数の和:10971

約数の個数: 32

約数和(自身を含む): 141056640

約数和(自身を除く): 73059656

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3124, 6248, 10883, 21766, 43532, 87064, 119713, 239426, 478852, 772693, 957704, 1545386, 3090772, 6181544, 8499623, 16999246, 33998492, 67996984]

約数ペア:

[(1, 67996984), (2, 33998492), (4, 16999246), (8, 8499623), (11, 6181544), (22, 3090772), (44, 1545386), (71, 957704), (88, 772693), (142, 478852), (284, 239426), (568, 119713), (781, 87064), (1562, 43532), (3124, 21766), (6248, 10883)]