1293037945

素因数分解:

$5^1\times {\mathrm{389}}^2\times {\mathrm{1709}}^1$

素因数の和:2492

約数の個数: 12

約数和(自身を含む): 1556554860

約数和(自身を除く): 263516915

約数列:

[1, 5, 389, 1709, 1945, 8545, 151321, 664801, 756605, 3324005, 258607589, 1293037945]

約数ペア:

[(1, 1293037945), (5, 258607589), (389, 3324005), (1709, 756605), (1945, 664801), (8545, 151321)]