251244

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{997}}^1$

素因数の和:1014

約数の個数: 36

約数和(自身を含む): 726544

約数和(自身を除く): 475300

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 997, 1994, 2991, 3988, 5982, 6979, 8973, 11964, 13958, 17946, 20937, 27916, 35892, 41874, 62811, 83748, 125622, 251244]

約数ペア:

[(1, 251244), (2, 125622), (3, 83748), (4, 62811), (6, 41874), (7, 35892), (9, 27916), (12, 20937), (14, 17946), (18, 13958), (21, 11964), (28, 8973), (36, 6979), (42, 5982), (63, 3988), (84, 2991), (126, 1994), (252, 997)]