71521639

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{1459}}^1$

素因数の和:1662

約数の個数: 16

約数和(自身を含む): 84096000

約数和(自身を除く): 12574361

約数列:

[1, 7, 47, 149, 329, 1043, 1459, 7003, 10213, 49021, 68573, 217391, 480011, 1521737, 10217377, 71521639]

約数ペア:

[(1, 71521639), (7, 10217377), (47, 1521737), (149, 480011), (329, 217391), (1043, 68573), (1459, 49021), (7003, 10213)]