256138322

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{163981}}^1$

素因数の和:164065

約数の個数: 16

約数和(自身を含む): 425041344

約数和(自身を除く): 168903022

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 163981, 327962, 1803791, 3607582, 11642651, 23285302, 128069161, 256138322]

約数ペア:

[(1, 256138322), (2, 128069161), (11, 23285302), (22, 11642651), (71, 3607582), (142, 1803791), (781, 327962), (1562, 163981)]