778865598

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{29021}}^1$

素因数の和:29110

約数の個数: 64

約数和(自身を含む): 2006000640

約数和(自身を除く): 1227135042

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 71, 126, 142, 189, 213, 378, 426, 497, 639, 994, 1278, 1491, 1917, 2982, 3834, 4473, 8946, 13419, 26838, 29021, 58042, 87063, 174126, 203147, 261189, 406294, 522378, 609441, 783567, 1218882, 1567134, 1828323, 2060491, 3656646, 4120982, 5484969, 6181473, 10969938, 12362946, 14423437, 18544419, 28846874, 37088838, 43270311, 55633257, 86540622, 111266514, 129810933, 259621866, 389432799, 778865598]

約数ペア:

[(1, 778865598), (2, 389432799), (3, 259621866), (6, 129810933), (7, 111266514), (9, 86540622), (14, 55633257), (18, 43270311), (21, 37088838), (27, 28846874), (42, 18544419), (54, 14423437), (63, 12362946), (71, 10969938), (126, 6181473), (142, 5484969), (189, 4120982), (213, 3656646), (378, 2060491), (426, 1828323), (497, 1567134), (639, 1218882), (994, 783567), (1278, 609441), (1491, 522378), (1917, 406294), (2982, 261189), (3834, 203147), (4473, 174126), (8946, 87063), (13419, 58042), (26838, 29021)]