81603116

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{47777}}^1$

素因数の和:47849

約数の個数: 24

約数和(自身を含む): 165885216

約数和(自身を除く): 84282100

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 47777, 95554, 191108, 334439, 668878, 1337756, 2914397, 5828794, 11657588, 20400779, 40801558, 81603116]

約数ペア:

[(1, 81603116), (2, 40801558), (4, 20400779), (7, 11657588), (14, 5828794), (28, 2914397), (61, 1337756), (122, 668878), (244, 334439), (427, 191108), (854, 95554), (1708, 47777)]