856553378

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{63439}}^1$

素因数の和:63641

約数の個数: 16

約数和(自身を含む): 1323104640

約数和(自身を除く): 466551262

約数列:

[1, 2, 43, 86, 157, 314, 6751, 13502, 63439, 126878, 2727877, 5455754, 9959923, 19919846, 428276689, 856553378]

約数ペア:

[(1, 856553378), (2, 428276689), (43, 19919846), (86, 9959923), (157, 5455754), (314, 2727877), (6751, 126878), (13502, 63439)]