2989405442

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{193139}}^1$

素因数の和:193321

約数の個数: 16

約数和(自身を含む): 4589006400

約数和(自身を除く): 1599600958

約数列:

[1, 2, 71, 109, 142, 218, 7739, 15478, 193139, 386278, 13712869, 21052151, 27425738, 42104302, 1494702721, 2989405442]

約数ペア:

[(1, 2989405442), (2, 1494702721), (71, 42104302), (109, 27425738), (142, 21052151), (218, 13712869), (7739, 386278), (15478, 193139)]