218792399

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{2339}}^1$

素因数の和:2459

約数の個数: 24

約数和(自身を含む): 268894080

約数和(自身を除く): 50101681

約数列:

[1, 7, 23, 49, 83, 161, 581, 1127, 1909, 2339, 4067, 13363, 16373, 53797, 93541, 114611, 194137, 376579, 1358959, 2636053, 4465151, 9512713, 31256057, 218792399]

約数ペア:

[(1, 218792399), (7, 31256057), (23, 9512713), (49, 4465151), (83, 2636053), (161, 1358959), (581, 376579), (1127, 194137), (1909, 114611), (2339, 93541), (4067, 53797), (13363, 16373)]