208379905

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1\times {\mathrm{1777}}^1$

素因数の和:2328

約数の個数: 16

約数和(自身を含む): 256032000

約数和(自身を除く): 47652095

約数列:

[1, 5, 47, 235, 499, 1777, 2495, 8885, 23453, 83519, 117265, 417595, 886723, 4433615, 41675981, 208379905]

約数ペア:

[(1, 208379905), (5, 41675981), (47, 4433615), (235, 886723), (499, 417595), (1777, 117265), (2495, 83519), (8885, 23453)]