78891281

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{569}}^1\times {\mathrm{683}}^1$

素因数の和:1288

約数の個数: 16

約数和(自身を含む): 93571200

約数和(自身を除く): 14679919

約数列:

[1, 7, 29, 203, 569, 683, 3983, 4781, 16501, 19807, 115507, 138649, 388627, 2720389, 11270183, 78891281]

約数ペア:

[(1, 78891281), (7, 11270183), (29, 2720389), (203, 388627), (569, 138649), (683, 115507), (3983, 19807), (4781, 16501)]