1285386844

素因数分解:

$2^2\times 7^1\times {\mathrm{2713}}^1\times {\mathrm{16921}}^1$

素因数の和:19645

約数の個数: 24

約数和(自身を含む): 2571873248

約数和(自身を除く): 1286486404

約数列:

[1, 2, 4, 7, 14, 28, 2713, 5426, 10852, 16921, 18991, 33842, 37982, 67684, 75964, 118447, 236894, 473788, 45906673, 91813346, 183626692, 321346711, 642693422, 1285386844]

約数ペア:

[(1, 1285386844), (2, 642693422), (4, 321346711), (7, 183626692), (14, 91813346), (28, 45906673), (2713, 473788), (5426, 236894), (10852, 118447), (16921, 75964), (18991, 67684), (33842, 37982)]