402479428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{15511}}^1$

素因数の和:16027

約数の個数: 24

約数和(自身を含む): 760088000

約数和(自身を除く): 357608572

約数列:

[1, 2, 4, 13, 26, 52, 499, 998, 1996, 6487, 12974, 15511, 25948, 31022, 62044, 201643, 403286, 806572, 7739989, 15479978, 30959956, 100619857, 201239714, 402479428]

約数ペア:

[(1, 402479428), (2, 201239714), (4, 100619857), (13, 30959956), (26, 15479978), (52, 7739989), (499, 806572), (998, 403286), (1996, 201643), (6487, 62044), (12974, 31022), (15511, 25948)]