28948025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{68113}}^1$

素因数の和:68140

約数の個数: 12

約数和(自身を含む): 38007612

約数和(自身を除く): 9059587

約数列:

[1, 5, 17, 25, 85, 425, 68113, 340565, 1157921, 1702825, 5789605, 28948025]

約数ペア:

[(1, 28948025), (5, 5789605), (17, 1702825), (25, 1157921), (85, 340565), (425, 68113)]