287484804

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{787}}^1$

素因数の和:1009

約数の個数: 72

約数和(自身を含む): 742894880

約数和(自身を除く): 455410076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 139, 146, 219, 278, 292, 417, 438, 556, 657, 787, 834, 876, 1251, 1314, 1574, 1668, 2361, 2502, 2628, 3148, 4722, 5004, 7083, 9444, 10147, 14166, 20294, 28332, 30441, 40588, 57451, 60882, 91323, 109393, 114902, 121764, 172353, 182646, 218786, 229804, 328179, 344706, 365292, 437572, 517059, 656358, 689412, 984537, 1034118, 1312716, 1969074, 2068236, 3938148, 7985689, 15971378, 23957067, 31942756, 47914134, 71871201, 95828268, 143742402, 287484804]

約数ペア:

[(1, 287484804), (2, 143742402), (3, 95828268), (4, 71871201), (6, 47914134), (9, 31942756), (12, 23957067), (18, 15971378), (36, 7985689), (73, 3938148), (139, 2068236), (146, 1969074), (219, 1312716), (278, 1034118), (292, 984537), (417, 689412), (438, 656358), (556, 517059), (657, 437572), (787, 365292), (834, 344706), (876, 328179), (1251, 229804), (1314, 218786), (1574, 182646), (1668, 172353), (2361, 121764), (2502, 114902), (2628, 109393), (3148, 91323), (4722, 60882), (5004, 57451), (7083, 40588), (9444, 30441), (10147, 28332), (14166, 20294)]