28339346

素因数分解:

$2^1\times 7^3\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 50160000

約数和(自身を除く): 21820654

約数列:

[1, 2, 7, 14, 49, 98, 109, 218, 343, 379, 686, 758, 763, 1526, 2653, 5306, 5341, 10682, 18571, 37142, 37387, 41311, 74774, 82622, 129997, 259994, 289177, 578354, 2024239, 4048478, 14169673, 28339346]

約数ペア:

[(1, 28339346), (2, 14169673), (7, 4048478), (14, 2024239), (49, 578354), (98, 289177), (109, 259994), (218, 129997), (343, 82622), (379, 74774), (686, 41311), (758, 37387), (763, 37142), (1526, 18571), (2653, 10682), (5306, 5341)]