12681025

素因数分解:

$5^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{311}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 18105984

約数和(自身を除く): 5424959

約数列:

[1, 5, 7, 25, 35, 175, 233, 311, 1165, 1555, 1631, 2177, 5825, 7775, 8155, 10885, 40775, 54425, 72463, 362315, 507241, 1811575, 2536205, 12681025]

約数ペア:

[(1, 12681025), (5, 2536205), (7, 1811575), (25, 507241), (35, 362315), (175, 72463), (233, 54425), (311, 40775), (1165, 10885), (1555, 8155), (1631, 7775), (2177, 5825)]