256607118

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{401}}^1\times {\mathrm{487}}^1$

素因数の和:969

約数の個数: 48

約数和(自身を含む): 566163936

約数和(自身を除く): 309556818

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 401, 438, 487, 657, 802, 974, 1203, 1314, 1461, 2406, 2922, 3609, 4383, 7218, 8766, 29273, 35551, 58546, 71102, 87819, 106653, 175638, 195287, 213306, 263457, 319959, 390574, 526914, 585861, 639918, 1171722, 1757583, 3515166, 14255951, 28511902, 42767853, 85535706, 128303559, 256607118]

約数ペア:

[(1, 256607118), (2, 128303559), (3, 85535706), (6, 42767853), (9, 28511902), (18, 14255951), (73, 3515166), (146, 1757583), (219, 1171722), (401, 639918), (438, 585861), (487, 526914), (657, 390574), (802, 319959), (974, 263457), (1203, 213306), (1314, 195287), (1461, 175638), (2406, 106653), (2922, 87819), (3609, 71102), (4383, 58546), (7218, 35551), (8766, 29273)]