217381825

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{439}}^1\times {\mathrm{683}}^1$

素因数の和:1161

約数の個数: 24

約数和(自身を含む): 279892800

約数和(自身を除く): 62510975

約数列:

[1, 5, 25, 29, 145, 439, 683, 725, 2195, 3415, 10975, 12731, 17075, 19807, 63655, 99035, 299837, 318275, 495175, 1499185, 7495925, 8695273, 43476365, 217381825]

約数ペア:

[(1, 217381825), (5, 43476365), (25, 8695273), (29, 7495925), (145, 1499185), (439, 495175), (683, 318275), (725, 299837), (2195, 99035), (3415, 63655), (10975, 19807), (12731, 17075)]