128418325

素因数分解:

$5^2\times 7^1\times {\mathrm{283}}^1\times {\mathrm{2593}}^1$

素因数の和:2893

約数の個数: 24

約数和(自身を含む): 182700608

約数和(自身を除く): 54282283

約数列:

[1, 5, 7, 25, 35, 175, 283, 1415, 1981, 2593, 7075, 9905, 12965, 18151, 49525, 64825, 90755, 453775, 733819, 3669095, 5136733, 18345475, 25683665, 128418325]

約数ペア:

[(1, 128418325), (5, 25683665), (7, 18345475), (25, 5136733), (35, 3669095), (175, 733819), (283, 453775), (1415, 90755), (1981, 64825), (2593, 49525), (7075, 18151), (9905, 12965)]