28770352

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{138319}}^1$

素因数の和:138340

約数の個数: 20

約数和(自身を含む): 60030880

約数和(自身を除く): 31260528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 138319, 276638, 553276, 1106552, 1798147, 2213104, 3596294, 7192588, 14385176, 28770352]

約数ペア:

[(1, 28770352), (2, 14385176), (4, 7192588), (8, 3596294), (13, 2213104), (16, 1798147), (26, 1106552), (52, 553276), (104, 276638), (208, 138319)]