209898235

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{12409}}^1$

素因数の和:12630

約数の個数: 16

約数和(自身を含む): 268056000

約数和(自身を除く): 58157765

約数列:

[1, 5, 17, 85, 199, 995, 3383, 12409, 16915, 62045, 210953, 1054765, 2469391, 12346955, 41979647, 209898235]

約数ペア:

[(1, 209898235), (5, 41979647), (17, 12346955), (85, 2469391), (199, 1054765), (995, 210953), (3383, 62045), (12409, 16915)]