165717872

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{240869}}^1$

素因数の和:240920

約数の個数: 20

約数和(自身を含む): 328546680

約数和(自身を除く): 162828808

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 240869, 481738, 963476, 1926952, 3853904, 10357367, 20714734, 41429468, 82858936, 165717872]

約数ペア:

[(1, 165717872), (2, 82858936), (4, 41429468), (8, 20714734), (16, 10357367), (43, 3853904), (86, 1926952), (172, 963476), (344, 481738), (688, 240869)]