1639657925

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{853}}^1\times {\mathrm{3343}}^1$

素因数の和:4229

約数の個数: 24

約数和(自身を含む): 2124697344

約数和(自身を除く): 485039419

約数列:

[1, 5, 23, 25, 115, 575, 853, 3343, 4265, 16715, 19619, 21325, 76889, 83575, 98095, 384445, 490475, 1922225, 2851579, 14257895, 65586317, 71289475, 327931585, 1639657925]

約数ペア:

[(1, 1639657925), (5, 327931585), (23, 71289475), (25, 65586317), (115, 14257895), (575, 2851579), (853, 1922225), (3343, 490475), (4265, 384445), (16715, 98095), (19619, 83575), (21325, 76889)]