40347538

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 79365888

約数和(自身を除く): 39018350

約数列:

[1, 2, 7, 11, 14, 22, 37, 73, 74, 77, 97, 146, 154, 194, 259, 407, 511, 518, 679, 803, 814, 1022, 1067, 1358, 1606, 2134, 2701, 2849, 3589, 5402, 5621, 5698, 7081, 7178, 7469, 11242, 14162, 14938, 18907, 25123, 29711, 37814, 39479, 49567, 50246, 59422, 77891, 78958, 99134, 155782, 207977, 261997, 276353, 415954, 523994, 545237, 552706, 1090474, 1833979, 2881967, 3667958, 5763934, 20173769, 40347538]

約数ペア:

[(1, 40347538), (2, 20173769), (7, 5763934), (11, 3667958), (14, 2881967), (22, 1833979), (37, 1090474), (73, 552706), (74, 545237), (77, 523994), (97, 415954), (146, 276353), (154, 261997), (194, 207977), (259, 155782), (407, 99134), (511, 78958), (518, 77891), (679, 59422), (803, 50246), (814, 49567), (1022, 39479), (1067, 37814), (1358, 29711), (1606, 25123), (2134, 18907), (2701, 14938), (2849, 14162), (3589, 11242), (5402, 7469), (5621, 7178), (5698, 7081)]