78172349

素因数分解:

${\mathrm{71}}^1\times {\mathrm{89}}^2\times {\mathrm{139}}^1$

素因数の和:388

約数の個数: 12

約数和(自身を含む): 80750880

約数和(自身を除く): 2578531

約数列:

[1, 71, 89, 139, 6319, 7921, 9869, 12371, 562391, 878341, 1101019, 78172349]

約数ペア:

[(1, 78172349), (71, 1101019), (89, 878341), (139, 562391), (6319, 12371), (7921, 9869)]