128718646

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{2963}}^1$

素因数の和:3108

約数の個数: 32

約数和(自身を含む): 230480640

約数和(自身を除く): 101761994

約数列:

[1, 2, 7, 14, 29, 58, 107, 203, 214, 406, 749, 1498, 2963, 3103, 5926, 6206, 20741, 21721, 41482, 43442, 85927, 171854, 317041, 601489, 634082, 1202978, 2219287, 4438574, 9194189, 18388378, 64359323, 128718646]

約数ペア:

[(1, 128718646), (2, 64359323), (7, 18388378), (14, 9194189), (29, 4438574), (58, 2219287), (107, 1202978), (203, 634082), (214, 601489), (406, 317041), (749, 171854), (1498, 85927), (2963, 43442), (3103, 41482), (5926, 21721), (6206, 20741)]