12973712

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{19777}}^1$

素因数の和:19826

約数の個数: 20

約数和(自身を含む): 25750956

約数和(自身を除く): 12777244

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 19777, 39554, 79108, 158216, 316432, 810857, 1621714, 3243428, 6486856, 12973712]

約数ペア:

[(1, 12973712), (2, 6486856), (4, 3243428), (8, 1621714), (16, 810857), (41, 316432), (82, 158216), (164, 79108), (328, 39554), (656, 19777)]