128431325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{10861}}^1$

素因数の和:10925

約数の個数: 24

約数和(自身を含む): 177789216

約数和(自身を除く): 49357891

約数列:

[1, 5, 11, 25, 43, 55, 215, 275, 473, 1075, 2365, 10861, 11825, 54305, 119471, 271525, 467023, 597355, 2335115, 2986775, 5137253, 11675575, 25686265, 128431325]

約数ペア:

[(1, 128431325), (5, 25686265), (11, 11675575), (25, 5137253), (43, 2986775), (55, 2335115), (215, 597355), (275, 467023), (473, 271525), (1075, 119471), (2365, 54305), (10861, 11825)]