256408086

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{971}}^1\times {\mathrm{4001}}^1$

素因数の和:4988

約数の個数: 32

約数和(自身を含む): 560151936

約数和(自身を除く): 303743850

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 971, 1942, 2913, 4001, 5826, 8002, 10681, 12003, 21362, 24006, 32043, 44011, 64086, 88022, 132033, 264066, 3884971, 7769942, 11654913, 23309826, 42734681, 85469362, 128204043, 256408086]

約数ペア:

[(1, 256408086), (2, 128204043), (3, 85469362), (6, 42734681), (11, 23309826), (22, 11654913), (33, 7769942), (66, 3884971), (971, 264066), (1942, 132033), (2913, 88022), (4001, 64086), (5826, 44011), (8002, 32043), (10681, 24006), (12003, 21362)]