257915185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{12373}}^1$

素因数の和:12768

約数の個数: 16

約数和(自身を含む): 338552640

約数和(自身を除く): 80637455

約数列:

[1, 5, 11, 55, 379, 1895, 4169, 12373, 20845, 61865, 136103, 680515, 4689367, 23446835, 51583037, 257915185]

約数ペア:

[(1, 257915185), (5, 51583037), (11, 23446835), (55, 4689367), (379, 680515), (1895, 136103), (4169, 61865), (12373, 20845)]