28783216

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:470

約数の個数: 80

約数和(自身を含む): 70852608

約数和(自身を除く): 42069392

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 61, 77, 88, 112, 122, 154, 176, 244, 308, 383, 427, 488, 616, 671, 766, 854, 976, 1232, 1342, 1532, 1708, 2681, 2684, 3064, 3416, 4213, 4697, 5362, 5368, 6128, 6832, 8426, 9394, 10724, 10736, 16852, 18788, 21448, 23363, 29491, 33704, 37576, 42896, 46726, 58982, 67408, 75152, 93452, 117964, 163541, 186904, 235928, 256993, 327082, 373808, 471856, 513986, 654164, 1027972, 1308328, 1798951, 2055944, 2616656, 3597902, 4111888, 7195804, 14391608, 28783216]

約数ペア:

[(1, 28783216), (2, 14391608), (4, 7195804), (7, 4111888), (8, 3597902), (11, 2616656), (14, 2055944), (16, 1798951), (22, 1308328), (28, 1027972), (44, 654164), (56, 513986), (61, 471856), (77, 373808), (88, 327082), (112, 256993), (122, 235928), (154, 186904), (176, 163541), (244, 117964), (308, 93452), (383, 75152), (427, 67408), (488, 58982), (616, 46726), (671, 42896), (766, 37576), (854, 33704), (976, 29491), (1232, 23363), (1342, 21448), (1532, 18788), (1708, 16852), (2681, 10736), (2684, 10724), (3064, 9394), (3416, 8426), (4213, 6832), (4697, 6128), (5362, 5368)]