4077905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1459}}^1$

素因数の和:1520

約数の個数: 16

約数和(自身を含む): 5396160

約数和(自身を除く): 1318255

約数列:

[1, 5, 13, 43, 65, 215, 559, 1459, 2795, 7295, 18967, 62737, 94835, 313685, 815581, 4077905]

約数ペア:

[(1, 4077905), (5, 815581), (13, 313685), (43, 94835), (65, 62737), (215, 18967), (559, 7295), (1459, 2795)]