218682604

素因数分解:

$2^2\times 7^1\times {\mathrm{1999}}^1\times {\mathrm{3907}}^1$

素因数の和:5917

約数の個数: 24

約数和(自身を含む): 437696000

約数和(自身を除く): 219013396

約数列:

[1, 2, 4, 7, 14, 28, 1999, 3907, 3998, 7814, 7996, 13993, 15628, 27349, 27986, 54698, 55972, 109396, 7810093, 15620186, 31240372, 54670651, 109341302, 218682604]

約数ペア:

[(1, 218682604), (2, 109341302), (4, 54670651), (7, 31240372), (14, 15620186), (28, 7810093), (1999, 109396), (3907, 55972), (3998, 54698), (7814, 27986), (7996, 27349), (13993, 15628)]