12691175

素因数分解:

$5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1543}}^1$

素因数の和:1607

約数の個数: 24

約数和(自身を含む): 18379776

約数和(自身を除く): 5688601

約数列:

[1, 5, 7, 25, 35, 47, 175, 235, 329, 1175, 1543, 1645, 7715, 8225, 10801, 38575, 54005, 72521, 270025, 362605, 507647, 1813025, 2538235, 12691175]

約数ペア:

[(1, 12691175), (5, 2538235), (7, 1813025), (25, 507647), (35, 362605), (47, 270025), (175, 72521), (235, 54005), (329, 38575), (1175, 10801), (1543, 8225), (1645, 7715)]