1288691338

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{18661}}^1$

素因数の和:18790

約数の個数: 32

約数和(自身を含む): 2187484992

約数和(自身を除く): 898793654

約数列:

[1, 2, 11, 22, 43, 73, 86, 146, 473, 803, 946, 1606, 3139, 6278, 18661, 34529, 37322, 69058, 205271, 410542, 802423, 1362253, 1604846, 2724506, 8826653, 14984783, 17653306, 29969566, 58576879, 117153758, 644345669, 1288691338]

約数ペア:

[(1, 1288691338), (2, 644345669), (11, 117153758), (22, 58576879), (43, 29969566), (73, 17653306), (86, 14984783), (146, 8826653), (473, 2724506), (803, 1604846), (946, 1362253), (1606, 802423), (3139, 410542), (6278, 205271), (18661, 69058), (34529, 37322)]