678551425

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{12821}}^1$

素因数の和:12933

約数の個数: 24

約数和(自身を含む): 882410040

約数和(自身を除く): 203858615

約数列:

[1, 5, 25, 29, 73, 145, 365, 725, 1825, 2117, 10585, 12821, 52925, 64105, 320525, 371809, 935933, 1859045, 4679665, 9295225, 23398325, 27142057, 135710285, 678551425]

約数ペア:

[(1, 678551425), (5, 135710285), (25, 27142057), (29, 23398325), (73, 9295225), (145, 4679665), (365, 1859045), (725, 935933), (1825, 371809), (2117, 320525), (10585, 64105), (12821, 52925)]