209739615745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{53710529}}^1$

素因数の和:53710616

約数の個数: 16

約数和(自身を含む): 278435387520

約数和(自身を除く): 68695771775

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 53710529, 268552645, 590815819, 2954079095, 3813447559, 19067237795, 41947923149, 209739615745]

約数ペア:

[(1, 209739615745), (5, 41947923149), (11, 19067237795), (55, 3813447559), (71, 2954079095), (355, 590815819), (781, 268552645), (3905, 53710529)]