309904

素因数分解:

$2^4\times 7^1\times {\mathrm{2767}}^1$

素因数の和:2782

約数の個数: 20

約数和(自身を含む): 686464

約数和(自身を除く): 376560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2767, 5534, 11068, 19369, 22136, 38738, 44272, 77476, 154952, 309904]

約数ペア:

[(1, 309904), (2, 154952), (4, 77476), (7, 44272), (8, 38738), (14, 22136), (16, 19369), (28, 11068), (56, 5534), (112, 2767)]