247067863

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{66721}}^1$

素因数の和:66774

約数の個数: 12

約数和(自身を含む): 295178128

約数和(自身を除く): 48110265

約数列:

[1, 7, 23, 161, 529, 3703, 66721, 467047, 1534583, 10742081, 35295409, 247067863]

約数ペア:

[(1, 247067863), (7, 35295409), (23, 10742081), (161, 1534583), (529, 467047), (3703, 66721)]