278401284

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{1104767}}^1$

素因数の和:1104784

約数の個数: 36

約数和(自身を含む): 804271104

約数和(自身を除く): 525869820

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 1104767, 2209534, 3314301, 4419068, 6628602, 7733369, 9942903, 13257204, 15466738, 19885806, 23200107, 30933476, 39771612, 46400214, 69600321, 92800428, 139200642, 278401284]

約数ペア:

[(1, 278401284), (2, 139200642), (3, 92800428), (4, 69600321), (6, 46400214), (7, 39771612), (9, 30933476), (12, 23200107), (14, 19885806), (18, 15466738), (21, 13257204), (28, 9942903), (36, 7733369), (42, 6628602), (63, 4419068), (84, 3314301), (126, 2209534), (252, 1104767)]