257007155

素因数分解:

$5^1\times {\mathrm{167}}^1\times {\mathrm{233}}^1\times {\mathrm{1321}}^1$

素因数の和:1726

約数の個数: 16

約数和(自身を含む): 311822784

約数和(自身を除く): 54815629

約数列:

[1, 5, 167, 233, 835, 1165, 1321, 6605, 38911, 194555, 220607, 307793, 1103035, 1538965, 51401431, 257007155]

約数ペア:

[(1, 257007155), (5, 51401431), (167, 1538965), (233, 1103035), (835, 307793), (1165, 220607), (1321, 194555), (6605, 38911)]