991567283

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{2521}}^1$

素因数の和:2907

約数の個数: 24

約数和(自身を含む): 1207533600

約数和(自身を除く): 215966317

約数列:

[1, 7, 23, 49, 161, 349, 1127, 2443, 2521, 8027, 17101, 17647, 56189, 57983, 123529, 393323, 405881, 879829, 2841167, 6158803, 20236067, 43111621, 141652469, 991567283]

約数ペア:

[(1, 991567283), (7, 141652469), (23, 43111621), (49, 20236067), (161, 6158803), (349, 2841167), (1127, 879829), (2443, 405881), (2521, 393323), (8027, 123529), (17101, 57983), (17647, 56189)]