51705395

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20807}}^1$

素因数の和:20890

約数の個数: 16

約数和(自身を含む): 71912448

約数和(自身を除く): 20207053

約数列:

[1, 5, 7, 35, 71, 355, 497, 2485, 20807, 104035, 145649, 728245, 1477297, 7386485, 10341079, 51705395]

約数ペア:

[(1, 51705395), (5, 10341079), (7, 7386485), (35, 1477297), (71, 728245), (355, 145649), (497, 104035), (2485, 20807)]