81569936

素因数分解:

$2^4\times 7^1\times {\mathrm{728303}}^1$

素因数の和:728318

約数の個数: 20

約数和(自身を含む): 180619392

約数和(自身を除く): 99049456

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 728303, 1456606, 2913212, 5098121, 5826424, 10196242, 11652848, 20392484, 40784968, 81569936]

約数ペア:

[(1, 81569936), (2, 40784968), (4, 20392484), (7, 11652848), (8, 10196242), (14, 5826424), (16, 5098121), (28, 2913212), (56, 1456606), (112, 728303)]