64881761

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{991}}^1$

素因数の和:1244

約数の個数: 16

約数和(自身を含む): 76185600

約数和(自身を除く): 11303839

約数列:

[1, 7, 47, 199, 329, 991, 1393, 6937, 9353, 46577, 65471, 197209, 326039, 1380463, 9268823, 64881761]

約数ペア:

[(1, 64881761), (7, 9268823), (47, 1380463), (199, 326039), (329, 197209), (991, 65471), (1393, 46577), (6937, 9353)]