15980855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{7853}}^1$

素因数の和:7906

約数の個数: 16

約数和(自身を含む): 21488544

約数和(自身を除く): 5507689

約数列:

[1, 5, 11, 37, 55, 185, 407, 2035, 7853, 39265, 86383, 290561, 431915, 1452805, 3196171, 15980855]

約数ペア:

[(1, 15980855), (5, 3196171), (11, 1452805), (37, 431915), (55, 290561), (185, 86383), (407, 39265), (2035, 7853)]