818988

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 1928640

約数和(自身を除く): 1109652

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 491, 556, 834, 982, 1473, 1668, 1964, 2946, 5892, 68249, 136498, 204747, 272996, 409494, 818988]

約数ペア:

[(1, 818988), (2, 409494), (3, 272996), (4, 204747), (6, 136498), (12, 68249), (139, 5892), (278, 2946), (417, 1964), (491, 1668), (556, 1473), (834, 982)]