31821244

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{87421}}^1$

素因数の和:87445

約数の個数: 24

約数和(自身を含む): 68538848

約数和(自身を除く): 36717604

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 87421, 174842, 349684, 611947, 1136473, 1223894, 2272946, 2447788, 4545892, 7955311, 15910622, 31821244]

約数ペア:

[(1, 31821244), (2, 15910622), (4, 7955311), (7, 4545892), (13, 2447788), (14, 2272946), (26, 1223894), (28, 1136473), (52, 611947), (91, 349684), (182, 174842), (364, 87421)]