209905868

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{617}}^1\times {\mathrm{5003}}^1$

素因数の和:5641

約数の個数: 24

約数和(自身を含む): 389651472

約数和(自身を除く): 179745604

約数列:

[1, 2, 4, 17, 34, 68, 617, 1234, 2468, 5003, 10006, 10489, 20012, 20978, 41956, 85051, 170102, 340204, 3086851, 6173702, 12347404, 52476467, 104952934, 209905868]

約数ペア:

[(1, 209905868), (2, 104952934), (4, 52476467), (17, 12347404), (34, 6173702), (68, 3086851), (617, 340204), (1234, 170102), (2468, 85051), (5003, 41956), (10006, 20978), (10489, 20012)]