28910938

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{23203}}^1$

素因数の和:23301

約数の個数: 16

約数和(自身を含む): 50120640

約数和(自身を除く): 21209702

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 23203, 46406, 162421, 324842, 2065067, 4130134, 14455469, 28910938]

約数ペア:

[(1, 28910938), (2, 14455469), (7, 4130134), (14, 2065067), (89, 324842), (178, 162421), (623, 46406), (1246, 23203)]