81555474

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1$

素因数の和:440

約数の個数: 128

約数和(自身を含む): 225533952

約数和(自身を除く): 143978478

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 37, 39, 42, 66, 74, 77, 78, 91, 111, 143, 154, 182, 222, 231, 259, 273, 286, 367, 407, 429, 462, 481, 518, 546, 734, 777, 814, 858, 962, 1001, 1101, 1221, 1443, 1554, 2002, 2202, 2442, 2569, 2849, 2886, 3003, 3367, 4037, 4771, 5138, 5291, 5698, 6006, 6734, 7707, 8074, 8547, 9542, 10101, 10582, 12111, 13579, 14313, 15414, 15873, 17094, 20202, 24222, 27158, 28259, 28626, 31746, 33397, 37037, 40737, 52481, 56518, 66794, 74074, 81474, 84777, 95053, 100191, 104962, 111111, 149369, 157443, 169554, 176527, 190106, 200382, 222222, 285159, 298738, 314886, 353054, 367367, 448107, 529581, 570318, 734734, 896214, 1045583, 1059162, 1102101, 1235689, 1941797, 2091166, 2204202, 2471378, 3136749, 3707067, 3883594, 5825391, 6273498, 7414134, 11650782, 13592579, 27185158, 40777737, 81555474]

約数ペア:

[(1, 81555474), (2, 40777737), (3, 27185158), (6, 13592579), (7, 11650782), (11, 7414134), (13, 6273498), (14, 5825391), (21, 3883594), (22, 3707067), (26, 3136749), (33, 2471378), (37, 2204202), (39, 2091166), (42, 1941797), (66, 1235689), (74, 1102101), (77, 1059162), (78, 1045583), (91, 896214), (111, 734734), (143, 570318), (154, 529581), (182, 448107), (222, 367367), (231, 353054), (259, 314886), (273, 298738), (286, 285159), (367, 222222), (407, 200382), (429, 190106), (462, 176527), (481, 169554), (518, 157443), (546, 149369), (734, 111111), (777, 104962), (814, 100191), (858, 95053), (962, 84777), (1001, 81474), (1101, 74074), (1221, 66794), (1443, 56518), (1554, 52481), (2002, 40737), (2202, 37037), (2442, 33397), (2569, 31746), (2849, 28626), (2886, 28259), (3003, 27158), (3367, 24222), (4037, 20202), (4771, 17094), (5138, 15873), (5291, 15414), (5698, 14313), (6006, 13579), (6734, 12111), (7707, 10582), (8074, 10101), (8547, 9542)]