51780204

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{205477}}^1$

素因数の和:205494

約数の個数: 36

約数和(自身を含む): 149587984

約数和(自身を除く): 97807780

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 205477, 410954, 616431, 821908, 1232862, 1438339, 1849293, 2465724, 2876678, 3698586, 4315017, 5753356, 7397172, 8630034, 12945051, 17260068, 25890102, 51780204]

約数ペア:

[(1, 51780204), (2, 25890102), (3, 17260068), (4, 12945051), (6, 8630034), (7, 7397172), (9, 5753356), (12, 4315017), (14, 3698586), (18, 2876678), (21, 2465724), (28, 1849293), (36, 1438339), (42, 1232862), (63, 821908), (84, 616431), (126, 410954), (252, 205477)]