200991212

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{499}}^1\times {\mathrm{997}}^1$

素因数の和:1601

約数の個数: 24

約数和(自身を含む): 356286000

約数和(自身を除く): 155294788

約数列:

[1, 2, 4, 101, 202, 404, 499, 997, 998, 1994, 1996, 3988, 50399, 100697, 100798, 201394, 201596, 402788, 497503, 995006, 1990012, 50247803, 100495606, 200991212]

約数ペア:

[(1, 200991212), (2, 100495606), (4, 50247803), (101, 1990012), (202, 995006), (404, 497503), (499, 402788), (997, 201596), (998, 201394), (1994, 100798), (1996, 100697), (3988, 50399)]