27982878

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1637}}^1$

素因数の和:1697

約数の個数: 64

約数和(自身を含む): 71705088

約数和(自身を除く): 43722210

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 37, 42, 66, 74, 77, 111, 154, 222, 231, 259, 407, 462, 518, 777, 814, 1221, 1554, 1637, 2442, 2849, 3274, 4911, 5698, 8547, 9822, 11459, 17094, 18007, 22918, 34377, 36014, 54021, 60569, 68754, 108042, 121138, 126049, 181707, 252098, 363414, 378147, 423983, 666259, 756294, 847966, 1271949, 1332518, 1998777, 2543898, 3997554, 4663813, 9327626, 13991439, 27982878]

約数ペア:

[(1, 27982878), (2, 13991439), (3, 9327626), (6, 4663813), (7, 3997554), (11, 2543898), (14, 1998777), (21, 1332518), (22, 1271949), (33, 847966), (37, 756294), (42, 666259), (66, 423983), (74, 378147), (77, 363414), (111, 252098), (154, 181707), (222, 126049), (231, 121138), (259, 108042), (407, 68754), (462, 60569), (518, 54021), (777, 36014), (814, 34377), (1221, 22918), (1554, 18007), (1637, 17094), (2442, 11459), (2849, 9822), (3274, 8547), (4911, 5698)]