129397324

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{33247}}^1$

素因数の和:33397

約数の個数: 24

約数和(自身を含む): 260664320

約数和(自身を除く): 131266996

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 33247, 66494, 132988, 232729, 465458, 930916, 4621333, 9242666, 18485332, 32349331, 64698662, 129397324]

約数ペア:

[(1, 129397324), (2, 64698662), (4, 32349331), (7, 18485332), (14, 9242666), (28, 4621333), (139, 930916), (278, 465458), (556, 232729), (973, 132988), (1946, 66494), (3892, 33247)]