51489865

素因数分解:

$5^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{2129}}^1$

素因数の和:2832

約数の個数: 16

約数和(自身を含む): 70750080

約数和(自身を除く): 19260215

約数列:

[1, 5, 7, 35, 691, 2129, 3455, 4837, 10645, 14903, 24185, 74515, 1471139, 7355695, 10297973, 51489865]

約数ペア:

[(1, 51489865), (5, 10297973), (7, 7355695), (35, 1471139), (691, 74515), (2129, 24185), (3455, 14903), (4837, 10645)]