689449325

素因数分解:

$5^2\times {\mathrm{97}}^1\times {\mathrm{401}}^1\times {\mathrm{709}}^1$

素因数の和:1217

約数の個数: 24

約数和(自身を含む): 867105960

約数和(自身を除く): 177656635

約数列:

[1, 5, 25, 97, 401, 485, 709, 2005, 2425, 3545, 10025, 17725, 38897, 68773, 194485, 284309, 343865, 972425, 1421545, 1719325, 7107725, 27577973, 137889865, 689449325]

約数ペア:

[(1, 689449325), (5, 137889865), (25, 27577973), (97, 7107725), (401, 1719325), (485, 1421545), (709, 972425), (2005, 343865), (2425, 284309), (3545, 194485), (10025, 68773), (17725, 38897)]