78864947

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1\times {\mathrm{457}}^1$

素因数の和:830

約数の個数: 16

約数和(自身を含む): 91673280

約数和(自身を除く): 12808333

約数列:

[1, 7, 89, 277, 457, 623, 1939, 3199, 24653, 40673, 126589, 172571, 284711, 886123, 11266421, 78864947]

約数ペア:

[(1, 78864947), (7, 11266421), (89, 886123), (277, 284711), (457, 172571), (623, 126589), (1939, 40673), (3199, 24653)]