278781104

素因数分解:

$2^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{383}}^1$

素因数の和:562

約数の個数: 80

約数和(自身を含む): 634626048

約数和(自身を除く): 355844944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 67, 97, 112, 134, 194, 268, 383, 388, 469, 536, 679, 766, 776, 938, 1072, 1358, 1532, 1552, 1876, 2681, 2716, 3064, 3752, 5362, 5432, 6128, 6499, 7504, 10724, 10864, 12998, 21448, 25661, 25996, 37151, 42896, 45493, 51322, 51992, 74302, 90986, 102644, 103984, 148604, 179627, 181972, 205288, 260057, 297208, 359254, 363944, 410576, 520114, 594416, 718508, 727888, 1040228, 1437016, 2080456, 2489117, 2874032, 4160912, 4978234, 9956468, 17423819, 19912936, 34847638, 39825872, 69695276, 139390552, 278781104]

約数ペア:

[(1, 278781104), (2, 139390552), (4, 69695276), (7, 39825872), (8, 34847638), (14, 19912936), (16, 17423819), (28, 9956468), (56, 4978234), (67, 4160912), (97, 2874032), (112, 2489117), (134, 2080456), (194, 1437016), (268, 1040228), (383, 727888), (388, 718508), (469, 594416), (536, 520114), (679, 410576), (766, 363944), (776, 359254), (938, 297208), (1072, 260057), (1358, 205288), (1532, 181972), (1552, 179627), (1876, 148604), (2681, 103984), (2716, 102644), (3064, 90986), (3752, 74302), (5362, 51992), (5432, 51322), (6128, 45493), (6499, 42896), (7504, 37151), (10724, 25996), (10864, 25661), (12998, 21448)]