257592575

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{2887}}^1$

素因数の和:3023

約数の個数: 24

約数和(自身を含む): 330895488

約数和(自身を除く): 73302913

約数列:

[1, 5, 25, 43, 83, 215, 415, 1075, 2075, 2887, 3569, 14435, 17845, 72175, 89225, 124141, 239621, 620705, 1198105, 3103525, 5990525, 10303703, 51518515, 257592575]

約数ペア:

[(1, 257592575), (5, 51518515), (25, 10303703), (43, 5990525), (83, 3103525), (215, 1198105), (415, 620705), (1075, 239621), (2075, 124141), (2887, 89225), (3569, 72175), (14435, 17845)]