81263636

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{2731}}^1$

素因数の和:2951

約数の個数: 24

約数和(自身を含む): 146413344

約数和(自身を除く): 65149708

約数列:

[1, 2, 4, 43, 86, 172, 173, 346, 692, 2731, 5462, 7439, 10924, 14878, 29756, 117433, 234866, 469732, 472463, 944926, 1889852, 20315909, 40631818, 81263636]

約数ペア:

[(1, 81263636), (2, 40631818), (4, 20315909), (43, 1889852), (86, 944926), (172, 472463), (173, 469732), (346, 234866), (692, 117433), (2731, 29756), (5462, 14878), (7439, 10924)]