639708804

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{2538527}}^1$

素因数の和:2538544

約数の個数: 36

約数和(自身を含む): 1848048384

約数和(自身を除く): 1208339580

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 2538527, 5077054, 7615581, 10154108, 15231162, 17769689, 22846743, 30462324, 35539378, 45693486, 53309067, 71078756, 91386972, 106618134, 159927201, 213236268, 319854402, 639708804]

約数ペア:

[(1, 639708804), (2, 319854402), (3, 213236268), (4, 159927201), (6, 106618134), (7, 91386972), (9, 71078756), (12, 53309067), (14, 45693486), (18, 35539378), (21, 30462324), (28, 22846743), (36, 17769689), (42, 15231162), (63, 10154108), (84, 7615581), (126, 5077054), (252, 2538527)]