129729278

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{1373}}^1$

素因数の和:1796

約数の個数: 32

約数和(自身を含む): 236240064

約数和(自身を除く): 106510786

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 397, 794, 1373, 2746, 2779, 5558, 6749, 9611, 13498, 19222, 23341, 46682, 47243, 94486, 163387, 326774, 545081, 1090162, 3815567, 7631134, 9266377, 18532754, 64864639, 129729278]

約数ペア:

[(1, 129729278), (2, 64864639), (7, 18532754), (14, 9266377), (17, 7631134), (34, 3815567), (119, 1090162), (238, 545081), (397, 326774), (794, 163387), (1373, 94486), (2746, 47243), (2779, 46682), (5558, 23341), (6749, 19222), (9611, 13498)]