128250965

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{1901}}^1$

素因数の和:2140

約数の個数: 16

約数和(自身を含む): 156663936

約数和(自身を除く): 28412971

約数列:

[1, 5, 103, 131, 515, 655, 1901, 9505, 13493, 67465, 195803, 249031, 979015, 1245155, 25650193, 128250965]

約数ペア:

[(1, 128250965), (5, 25650193), (103, 1245155), (131, 979015), (515, 249031), (655, 195803), (1901, 67465), (9505, 13493)]