81678436

素因数分解:

$2^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{10531}}^1$

素因数の和:10819

約数の個数: 24

約数和(自身を含む): 163962176

約数和(自身を除く): 82283740

約数列:

[1, 2, 4, 7, 14, 28, 277, 554, 1108, 1939, 3878, 7756, 10531, 21062, 42124, 73717, 147434, 294868, 2917087, 5834174, 11668348, 20419609, 40839218, 81678436]

約数ペア:

[(1, 81678436), (2, 40839218), (4, 20419609), (7, 11668348), (14, 5834174), (28, 2917087), (277, 294868), (554, 147434), (1108, 73717), (1939, 42124), (3878, 21062), (7756, 10531)]