85130689

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:613

約数の個数: 24

約数和(自身を含む): 103420800

約数和(自身を除く): 18290111

約数列:

[1, 7, 29, 49, 139, 203, 431, 973, 1421, 3017, 4031, 6811, 12499, 21119, 28217, 59909, 87493, 197519, 419363, 612451, 1737361, 2935541, 12161527, 85130689]

約数ペア:

[(1, 85130689), (7, 12161527), (29, 2935541), (49, 1737361), (139, 612451), (203, 419363), (431, 197519), (973, 87493), (1421, 59909), (3017, 28217), (4031, 21119), (6811, 12499)]