64873225

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{439}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 84458880

約数和(自身を除く): 19585655

約数列:

[1, 5, 23, 25, 115, 257, 439, 575, 1285, 2195, 5911, 6425, 10097, 10975, 29555, 50485, 112823, 147775, 252425, 564115, 2594929, 2820575, 12974645, 64873225]

約数ペア:

[(1, 64873225), (5, 12974645), (23, 2820575), (25, 2594929), (115, 564115), (257, 252425), (439, 147775), (575, 112823), (1285, 50485), (2195, 29555), (5911, 10975), (6425, 10097)]