140972447

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{42577}}^1$

素因数の和:42638

約数の個数: 16

約数和(自身を含む): 179849472

約数和(自身を除く): 38877025

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 42577, 298039, 468347, 1830811, 3278429, 12815677, 20138921, 140972447]

約数ペア:

[(1, 140972447), (7, 20138921), (11, 12815677), (43, 3278429), (77, 1830811), (301, 468347), (473, 298039), (3311, 42577)]