80706778

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{661}}^1\times {\mathrm{1489}}^1$

素因数の和:2193

約数の個数: 16

約数和(自身を含む): 124283880

約数和(自身を除く): 43577102

約数列:

[1, 2, 41, 82, 661, 1322, 1489, 2978, 27101, 54202, 61049, 122098, 984229, 1968458, 40353389, 80706778]

約数ペア:

[(1, 80706778), (2, 40353389), (41, 1968458), (82, 984229), (661, 122098), (1322, 61049), (1489, 54202), (2978, 27101)]