209345225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{4877}}^1$

素因数の和:5005

約数の個数: 24

約数和(自身を含む): 277636248

約数和(自身を除く): 68291023

約数列:

[1, 5, 17, 25, 85, 101, 425, 505, 1717, 2525, 4877, 8585, 24385, 42925, 82909, 121925, 414545, 492577, 2072725, 2462885, 8373809, 12314425, 41869045, 209345225]

約数ペア:

[(1, 209345225), (5, 41869045), (17, 12314425), (25, 8373809), (85, 2462885), (101, 2072725), (425, 492577), (505, 414545), (1717, 121925), (2525, 82909), (4877, 42925), (8585, 24385)]