78994316

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{278149}}^1$

素因数の和:278224

約数の個数: 12

約数和(自身を含む): 140187600

約数和(自身を除く): 61193284

約数列:

[1, 2, 4, 71, 142, 284, 278149, 556298, 1112596, 19748579, 39497158, 78994316]

約数ペア:

[(1, 78994316), (2, 39497158), (4, 19748579), (71, 1112596), (142, 556298), (284, 278149)]