66987725

素因数分解:

$5^2\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1423}}^1$

素因数の和:1709

約数の個数: 24

約数和(自身を含む): 95351040

約数和(自身を除く): 28363315

約数列:

[1, 5, 7, 25, 35, 175, 269, 1345, 1423, 1883, 6725, 7115, 9415, 9961, 35575, 47075, 49805, 249025, 382787, 1913935, 2679509, 9569675, 13397545, 66987725]

約数ペア:

[(1, 66987725), (5, 13397545), (7, 9569675), (25, 2679509), (35, 1913935), (175, 382787), (269, 249025), (1345, 49805), (1423, 47075), (1883, 35575), (6725, 9961), (7115, 9415)]