28724272

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{43787}}^1$

素因数の和:43836

約数の個数: 20

約数和(自身を含む): 57011976

約数和(自身を除く): 28287704

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 43787, 87574, 175148, 350296, 700592, 1795267, 3590534, 7181068, 14362136, 28724272]

約数ペア:

[(1, 28724272), (2, 14362136), (4, 7181068), (8, 3590534), (16, 1795267), (41, 700592), (82, 350296), (164, 175148), (328, 87574), (656, 43787)]