12880435

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:618

約数の個数: 16

約数和(自身を含む): 15966720

約数和(自身を除く): 3086285

約数列:

[1, 5, 43, 139, 215, 431, 695, 2155, 5977, 18533, 29885, 59909, 92665, 299545, 2576087, 12880435]

約数ペア:

[(1, 12880435), (5, 2576087), (43, 299545), (139, 92665), (215, 59909), (431, 29885), (695, 18533), (2155, 5977)]