205780428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{816589}}^1$

素因数の和:816606

約数の個数: 36

約数和(自身を含む): 594477520

約数和(自身を除く): 388697092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 816589, 1633178, 2449767, 3266356, 4899534, 5716123, 7349301, 9799068, 11432246, 14698602, 17148369, 22864492, 29397204, 34296738, 51445107, 68593476, 102890214, 205780428]

約数ペア:

[(1, 205780428), (2, 102890214), (3, 68593476), (4, 51445107), (6, 34296738), (7, 29397204), (9, 22864492), (12, 17148369), (14, 14698602), (18, 11432246), (21, 9799068), (28, 7349301), (36, 5716123), (42, 4899534), (63, 3266356), (84, 2449767), (126, 1633178), (252, 816589)]