157620976

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{90379}}^1$

素因数の和:90496

約数の個数: 20

約数和(自身を含む): 308195800

約数和(自身を除く): 150574824

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 90379, 180758, 361516, 723032, 1446064, 9851311, 19702622, 39405244, 78810488, 157620976]

約数ペア:

[(1, 157620976), (2, 78810488), (4, 39405244), (8, 19702622), (16, 9851311), (109, 1446064), (218, 723032), (436, 361516), (872, 180758), (1744, 90379)]