987955199

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{166631}}^1$

素因数の和:166667

約数の個数: 18

約数和(自身を含む): 1263237192

約数和(自身を除く): 275281993

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 5929, 166631, 1166417, 1832941, 8164919, 12830587, 20162351, 89814109, 141136457, 987955199]

約数ペア:

[(1, 987955199), (7, 141136457), (11, 89814109), (49, 20162351), (77, 12830587), (121, 8164919), (539, 1832941), (847, 1166417), (5929, 166631)]