207978001

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{385859}}^1$

素因数の和:385884

約数の個数: 12

約数和(自身を含む): 263928240

約数和(自身を除く): 55950239

約数列:

[1, 7, 11, 49, 77, 539, 385859, 2701013, 4244449, 18907091, 29711143, 207978001]

約数ペア:

[(1, 207978001), (7, 29711143), (11, 18907091), (49, 4244449), (77, 2701013), (539, 385859)]