15982225

素因数分解:

$5^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{337}}^1$

素因数の和:625

約数の個数: 24

約数和(自身を含む): 22800128

約数和(自身を除く): 6817903

約数列:

[1, 5, 7, 25, 35, 175, 271, 337, 1355, 1685, 1897, 2359, 6775, 8425, 9485, 11795, 47425, 58975, 91327, 456635, 639289, 2283175, 3196445, 15982225]

約数ペア:

[(1, 15982225), (5, 3196445), (7, 2283175), (25, 639289), (35, 456635), (175, 91327), (271, 58975), (337, 47425), (1355, 11795), (1685, 9485), (1897, 8425), (2359, 6775)]