291215840975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{6779}}^1\times {\mathrm{90439}}^1$

素因数の和:97247

約数の個数: 24

約数和(自身を含む): 380173584000

約数和(自身を除く): 88957743025

約数列:

[1, 5, 19, 25, 95, 475, 6779, 33895, 90439, 128801, 169475, 452195, 644005, 1718341, 2260975, 3220025, 8591705, 42958525, 613085981, 3065429905, 11648633639, 15327149525, 58243168195, 291215840975]

約数ペア:

[(1, 291215840975), (5, 58243168195), (19, 15327149525), (25, 11648633639), (95, 3065429905), (475, 613085981), (6779, 42958525), (33895, 8591705), (90439, 3220025), (128801, 2260975), (169475, 1718341), (452195, 644005)]