81856714

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1\times {\mathrm{1451}}^1$

素因数の和:1941

約数の個数: 16

約数和(自身を含む): 124999776

約数和(自身を除く): 43143062

約数列:

[1, 2, 67, 134, 421, 842, 1451, 2902, 28207, 56414, 97217, 194434, 610871, 1221742, 40928357, 81856714]

約数ペア:

[(1, 81856714), (2, 40928357), (67, 1221742), (134, 610871), (421, 194434), (842, 97217), (1451, 56414), (2902, 28207)]