51878278

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1\times {\mathrm{769}}^1$

素因数の和:1239

約数の個数: 16

約数和(自身を含む): 79002000

約数和(自身を除く): 27123722

約数列:

[1, 2, 89, 178, 379, 758, 769, 1538, 33731, 67462, 68441, 136882, 291451, 582902, 25939139, 51878278]

約数ペア:

[(1, 51878278), (2, 25939139), (89, 582902), (178, 291451), (379, 136882), (758, 68441), (769, 67462), (1538, 33731)]