1278827646

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1\times {\mathrm{359}}^1$

素因数の和:781

約数の個数: 64

約数和(自身を含む): 2717245440

約数和(自身を除く): 1438417794

約数列:

[1, 2, 3, 6, 23, 46, 69, 83, 138, 166, 249, 311, 359, 498, 622, 718, 933, 1077, 1866, 1909, 2154, 3818, 5727, 7153, 8257, 11454, 14306, 16514, 21459, 24771, 25813, 29797, 42918, 49542, 51626, 59594, 77439, 89391, 111649, 154878, 178782, 223298, 334947, 593699, 669894, 685331, 1187398, 1370662, 1781097, 2055993, 2567927, 3562194, 4111986, 5135854, 7703781, 9266867, 15407562, 18533734, 27800601, 55601202, 213137941, 426275882, 639413823, 1278827646]

約数ペア:

[(1, 1278827646), (2, 639413823), (3, 426275882), (6, 213137941), (23, 55601202), (46, 27800601), (69, 18533734), (83, 15407562), (138, 9266867), (166, 7703781), (249, 5135854), (311, 4111986), (359, 3562194), (498, 2567927), (622, 2055993), (718, 1781097), (933, 1370662), (1077, 1187398), (1866, 685331), (1909, 669894), (2154, 593699), (3818, 334947), (5727, 223298), (7153, 178782), (8257, 154878), (11454, 111649), (14306, 89391), (16514, 77439), (21459, 59594), (24771, 51626), (25813, 49542), (29797, 42918)]