258458081

素因数分解:

$7^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1\times {\mathrm{947}}^1$

素因数の和:1388

約数の個数: 16

約数和(自身を含む): 298991616

約数和(自身を除く): 40533535

約数列:

[1, 7, 127, 307, 889, 947, 2149, 6629, 38989, 120269, 272923, 290729, 841883, 2035103, 36922583, 258458081]

約数ペア:

[(1, 258458081), (7, 36922583), (127, 2035103), (307, 841883), (889, 290729), (947, 272923), (2149, 120269), (6629, 38989)]