15981428

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1193}}^1$

素因数の和:1411

約数の個数: 24

約数和(自身を含む): 29787912

約数和(自身を除く): 13806484

約数列:

[1, 2, 4, 17, 34, 68, 197, 394, 788, 1193, 2386, 3349, 4772, 6698, 13396, 20281, 40562, 81124, 235021, 470042, 940084, 3995357, 7990714, 15981428]

約数ペア:

[(1, 15981428), (2, 7990714), (4, 3995357), (17, 940084), (34, 470042), (68, 235021), (197, 81124), (394, 40562), (788, 20281), (1193, 13396), (2386, 6698), (3349, 4772)]