78383977

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{443}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 95967936

約数和(自身を除く): 17583959

約数列:

[1, 7, 23, 49, 157, 161, 443, 1099, 1127, 3101, 3611, 7693, 10189, 21707, 25277, 69551, 71323, 176939, 486857, 499261, 1599673, 3407999, 11197711, 78383977]

約数ペア:

[(1, 78383977), (7, 11197711), (23, 3407999), (49, 1599673), (157, 499261), (161, 486857), (443, 176939), (1099, 71323), (1127, 69551), (3101, 25277), (3611, 21707), (7693, 10189)]