31042825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{719}}^1$

素因数の和:897

約数の個数: 24

約数和(自身を含む): 42318720

約数和(自身を除く): 11275895

約数列:

[1, 5, 11, 25, 55, 157, 275, 719, 785, 1727, 3595, 3925, 7909, 8635, 17975, 39545, 43175, 112883, 197725, 564415, 1241713, 2822075, 6208565, 31042825]

約数ペア:

[(1, 31042825), (5, 6208565), (11, 2822075), (25, 1241713), (55, 564415), (157, 197725), (275, 112883), (719, 43175), (785, 39545), (1727, 17975), (3595, 8635), (3925, 7909)]