2158800553

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{388903}}^1$

素因数の和:388984

約数の個数: 16

約数和(自身を含む): 2700549376

約数和(自身を除く): 541748823

約数列:

[1, 7, 13, 61, 91, 427, 793, 5551, 388903, 2722321, 5055739, 23723083, 35390173, 166061581, 308400079, 2158800553]

約数ペア:

[(1, 2158800553), (7, 308400079), (13, 166061581), (61, 35390173), (91, 23723083), (427, 5055739), (793, 2722321), (5551, 388903)]