99871681

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47717}}^1$

素因数の和:47760

約数の個数: 16

約数和(自身を含む): 128265984

約数和(自身を除く): 28394303

約数列:

[1, 7, 13, 23, 91, 161, 299, 2093, 47717, 334019, 620321, 1097491, 4342247, 7682437, 14267383, 99871681]

約数ペア:

[(1, 99871681), (7, 14267383), (13, 7682437), (23, 4342247), (91, 1097491), (161, 620321), (299, 334019), (2093, 47717)]