71798321

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{539837}}^1$

素因数の和:539863

約数の個数: 8

約数和(自身を含む): 86374080

約数和(自身を除く): 14575759

約数列:

[1, 7, 19, 133, 539837, 3778859, 10256903, 71798321]

約数ペア:

[(1, 71798321), (7, 10256903), (19, 3778859), (133, 539837)]