858473374

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{639697}}^1$

素因数の和:639771

約数の個数: 16

約数和(自身を含む): 1427805936

約数和(自身を除く): 569332562

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 639697, 1279394, 7036667, 14073334, 39021517, 78043034, 429236687, 858473374]

約数ペア:

[(1, 858473374), (2, 429236687), (11, 78043034), (22, 39021517), (61, 14073334), (122, 7036667), (671, 1279394), (1342, 639697)]