7994987

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:208

約数の個数: 32

約数和(自身を含む): 11020800

約数和(自身を除く): 3025813

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 163, 343, 539, 637, 1001, 1141, 1793, 2119, 3773, 4459, 7007, 7987, 12551, 14833, 23309, 49049, 55909, 87857, 103831, 163163, 614999, 726817, 1142141, 7994987]

約数ペア:

[(1, 7994987), (7, 1142141), (11, 726817), (13, 614999), (49, 163163), (77, 103831), (91, 87857), (143, 55909), (163, 49049), (343, 23309), (539, 14833), (637, 12551), (1001, 7987), (1141, 7007), (1793, 4459), (2119, 3773)]