68965810

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{17729}}^1$

素因数の和:18125

約数の個数: 16

約数和(自身を含む): 124464600

約数和(自身を除く): 55498790

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 17729, 35458, 88645, 177290, 6896581, 13793162, 34482905, 68965810]

約数ペア:

[(1, 68965810), (2, 34482905), (5, 13793162), (10, 6896581), (389, 177290), (778, 88645), (1945, 35458), (3890, 17729)]