78164468

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{275227}}^1$

素因数の和:275302

約数の個数: 12

約数和(自身を含む): 138714912

約数和(自身を除く): 60550444

約数列:

[1, 2, 4, 71, 142, 284, 275227, 550454, 1100908, 19541117, 39082234, 78164468]

約数ペア:

[(1, 78164468), (2, 39082234), (4, 19541117), (71, 1100908), (142, 550454), (284, 275227)]