81425356

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{409}}^1\times {\mathrm{701}}^1$

素因数の和:1185

約数の個数: 24

約数和(自身を含む): 145061280

約数和(自身を除く): 63635924

約数列:

[1, 2, 4, 71, 142, 284, 409, 701, 818, 1402, 1636, 2804, 29039, 49771, 58078, 99542, 116156, 199084, 286709, 573418, 1146836, 20356339, 40712678, 81425356]

約数ペア:

[(1, 81425356), (2, 40712678), (4, 20356339), (71, 1146836), (142, 573418), (284, 286709), (409, 199084), (701, 116156), (818, 99542), (1402, 58078), (1636, 49771), (2804, 29039)]