80773972

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{21013}}^1$

素因数の和:21079

約数の個数: 18

約数和(自身を含む): 146068314

約数和(自身を除く): 65294342

約数列:

[1, 2, 4, 31, 62, 124, 961, 1922, 3844, 21013, 42026, 84052, 651403, 1302806, 2605612, 20193493, 40386986, 80773972]

約数ペア:

[(1, 80773972), (2, 40386986), (4, 20193493), (31, 2605612), (62, 1302806), (124, 651403), (961, 84052), (1922, 42026), (3844, 21013)]