80220978

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{73061}}^1$

素因数の和:73130

約数の個数: 24

約数和(自身を含む): 176663916

約数和(自身を除く): 96442938

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 549, 1098, 73061, 146122, 219183, 438366, 657549, 1315098, 4456721, 8913442, 13370163, 26740326, 40110489, 80220978]

約数ペア:

[(1, 80220978), (2, 40110489), (3, 26740326), (6, 13370163), (9, 8913442), (18, 4456721), (61, 1315098), (122, 657549), (183, 438366), (366, 219183), (549, 146122), (1098, 73061)]