1640894814

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{739}}^1\times {\mathrm{3163}}^1$

素因数の和:3926

約数の個数: 64

約数和(自身を含む): 3933484800

約数和(自身を除く): 2292589986

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 739, 1478, 2217, 3163, 4434, 6326, 6651, 9489, 9607, 13302, 18978, 19214, 19953, 28467, 28821, 39906, 41119, 56934, 57642, 82238, 85401, 86463, 123357, 170802, 172926, 246714, 259389, 370071, 518778, 740142, 1110213, 2220426, 2337457, 4674914, 7012371, 14024742, 21037113, 30386941, 42074226, 60773882, 63111339, 91160823, 126222678, 182321646, 273482469, 546964938, 820447407, 1640894814]

約数ペア:

[(1, 1640894814), (2, 820447407), (3, 546964938), (6, 273482469), (9, 182321646), (13, 126222678), (18, 91160823), (26, 63111339), (27, 60773882), (39, 42074226), (54, 30386941), (78, 21037113), (117, 14024742), (234, 7012371), (351, 4674914), (702, 2337457), (739, 2220426), (1478, 1110213), (2217, 740142), (3163, 518778), (4434, 370071), (6326, 259389), (6651, 246714), (9489, 172926), (9607, 170802), (13302, 123357), (18978, 86463), (19214, 85401), (19953, 82238), (28467, 57642), (28821, 56934), (39906, 41119)]