2881645

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1031}}^1$

素因数の和:1092

約数の個数: 16

約数和(自身を含む): 3814272

約数和(自身を除く): 932627

約数列:

[1, 5, 13, 43, 65, 215, 559, 1031, 2795, 5155, 13403, 44333, 67015, 221665, 576329, 2881645]

約数ペア:

[(1, 2881645), (5, 576329), (13, 221665), (43, 67015), (65, 44333), (215, 13403), (559, 5155), (1031, 2795)]