1204645

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:492

約数の個数: 16

約数和(自身を含む): 1596672

約数和(自身を除く): 392027

約数列:

[1, 5, 13, 43, 65, 215, 431, 559, 2155, 2795, 5603, 18533, 28015, 92665, 240929, 1204645]

約数ペア:

[(1, 1204645), (5, 240929), (13, 92665), (43, 28015), (65, 18533), (215, 5603), (431, 2795), (559, 2155)]