64969025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7621}}^1$

素因数の和:7673

約数の個数: 24

約数和(自身を含む): 90732288

約数和(自身を除く): 25763263

約数列:

[1, 5, 11, 25, 31, 55, 155, 275, 341, 775, 1705, 7621, 8525, 38105, 83831, 190525, 236251, 419155, 1181255, 2095775, 2598761, 5906275, 12993805, 64969025]

約数ペア:

[(1, 64969025), (5, 12993805), (11, 5906275), (25, 2598761), (31, 2095775), (55, 1181255), (155, 419155), (275, 236251), (341, 190525), (775, 83831), (1705, 38105), (7621, 8525)]