66318707

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:280

約数の個数: 32

約数和(自身を含む): 84672000

約数和(自身を除く): 18353293

約数列:

[1, 7, 13, 49, 91, 107, 139, 343, 637, 749, 973, 1391, 1807, 4459, 5243, 6811, 9737, 12649, 14873, 36701, 47677, 68159, 88543, 104111, 193349, 477113, 619801, 728777, 1353443, 5101439, 9474101, 66318707]

約数ペア:

[(1, 66318707), (7, 9474101), (13, 5101439), (49, 1353443), (91, 728777), (107, 619801), (139, 477113), (343, 193349), (637, 104111), (749, 88543), (973, 68159), (1391, 47677), (1807, 36701), (4459, 14873), (5243, 12649), (6811, 9737)]