639160884

素因数分解:

$2^2\times 3^2\times {\mathrm{857}}^1\times {\mathrm{20717}}^1$

素因数の和:21584

約数の個数: 36

約数和(自身を含む): 1617620004

約数和(自身を除く): 978459120

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 857, 1714, 2571, 3428, 5142, 7713, 10284, 15426, 20717, 30852, 41434, 62151, 82868, 124302, 186453, 248604, 372906, 745812, 17754469, 35508938, 53263407, 71017876, 106526814, 159790221, 213053628, 319580442, 639160884]

約数ペア:

[(1, 639160884), (2, 319580442), (3, 213053628), (4, 159790221), (6, 106526814), (9, 71017876), (12, 53263407), (18, 35508938), (36, 17754469), (857, 745812), (1714, 372906), (2571, 248604), (3428, 186453), (5142, 124302), (7713, 82868), (10284, 62151), (15426, 41434), (20717, 30852)]