71571568

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{109103}}^1$

素因数の和:109152

約数の個数: 20

約数和(自身を含む): 142053408

約数和(自身を除く): 70481840

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 109103, 218206, 436412, 872824, 1745648, 4473223, 8946446, 17892892, 35785784, 71571568]

約数ペア:

[(1, 71571568), (2, 35785784), (4, 17892892), (8, 8946446), (16, 4473223), (41, 1745648), (82, 872824), (164, 436412), (328, 218206), (656, 109103)]