131290225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{1699}}^1$

素因数の和:2001

約数の個数: 24

約数和(自身を含む): 178336800

約数和(自身を除く): 47046575

約数列:

[1, 5, 11, 25, 55, 275, 281, 1405, 1699, 3091, 7025, 8495, 15455, 18689, 42475, 77275, 93445, 467225, 477419, 2387095, 5251609, 11935475, 26258045, 131290225]

約数ペア:

[(1, 131290225), (5, 26258045), (11, 11935475), (25, 5251609), (55, 2387095), (275, 477419), (281, 467225), (1405, 93445), (1699, 77275), (3091, 42475), (7025, 18689), (8495, 15455)]