639225522756

素因数分解:

$2^2\times 3^2\times {\mathrm{17971}}^1\times {\mathrm{988051}}^1$

素因数の和:1006032

約数の個数: 36

約数和(自身を含む): 1615911619504

約数和(自身を除く): 976686096748

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 17971, 35942, 53913, 71884, 107826, 161739, 215652, 323478, 646956, 988051, 1976102, 2964153, 3952204, 5928306, 8892459, 11856612, 17784918, 35569836, 17756264521, 35512529042, 53268793563, 71025058084, 106537587126, 159806380689, 213075174252, 319612761378, 639225522756]

約数ペア:

[(1, 639225522756), (2, 319612761378), (3, 213075174252), (4, 159806380689), (6, 106537587126), (9, 71025058084), (12, 53268793563), (18, 35512529042), (36, 17756264521), (17971, 35569836), (35942, 17784918), (53913, 11856612), (71884, 8892459), (107826, 5928306), (161739, 3952204), (215652, 2964153), (323478, 1976102), (646956, 988051)]