25128551

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{409}}^1$

素因数の和:614

約数の個数: 16

約数和(自身を含む): 29441280

約数和(自身を除く): 4312729

約数列:

[1, 7, 67, 131, 409, 469, 917, 2863, 8777, 27403, 53579, 61439, 191821, 375053, 3589793, 25128551]

約数ペア:

[(1, 25128551), (7, 3589793), (67, 375053), (131, 191821), (409, 61439), (469, 53579), (917, 27403), (2863, 8777)]