205955230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{121867}}^1$

素因数の和:121900

約数の個数: 24

約数和(自身を含む): 401433192

約数和(自身を除く): 195477962

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 121867, 243734, 609335, 1218670, 1584271, 3168542, 7921355, 15842710, 20595523, 41191046, 102977615, 205955230]

約数ペア:

[(1, 205955230), (2, 102977615), (5, 41191046), (10, 20595523), (13, 15842710), (26, 7921355), (65, 3168542), (130, 1584271), (169, 1218670), (338, 609335), (845, 243734), (1690, 121867)]