131781155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{77291}}^1$

素因数の和:77338

約数の個数: 16

約数和(自身を含む): 178080768

約数和(自身を除く): 46299613

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 77291, 386455, 850201, 2396021, 4251005, 11980105, 26356231, 131781155]

約数ペア:

[(1, 131781155), (5, 26356231), (11, 11980105), (31, 4251005), (55, 2396021), (155, 850201), (341, 386455), (1705, 77291)]