278015192

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:281

約数の個数: 128

約数和(自身を含む): 674365440

約数和(自身を除く): 396350248

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 97, 104, 124, 127, 182, 194, 217, 248, 254, 364, 388, 403, 434, 508, 679, 728, 776, 806, 868, 889, 1016, 1261, 1358, 1612, 1651, 1736, 1778, 2522, 2716, 2821, 3007, 3224, 3302, 3556, 3937, 5044, 5432, 5642, 6014, 6604, 7112, 7874, 8827, 10088, 11284, 11557, 12028, 12319, 13208, 15748, 17654, 21049, 22568, 23114, 24056, 24638, 27559, 31496, 35308, 39091, 42098, 46228, 49276, 51181, 55118, 70616, 78182, 84196, 86233, 92456, 98552, 102362, 110236, 156364, 160147, 168392, 172466, 204724, 220472, 273637, 312728, 320294, 344932, 358267, 381889, 409448, 547274, 640588, 689864, 716534, 763778, 1094548, 1121029, 1281176, 1433068, 1527556, 2189096, 2242058, 2673223, 2866136, 3055112, 4484116, 4964557, 5346446, 8968232, 9929114, 10692892, 19858228, 21385784, 34751899, 39716456, 69503798, 139007596, 278015192]

約数ペア:

[(1, 278015192), (2, 139007596), (4, 69503798), (7, 39716456), (8, 34751899), (13, 21385784), (14, 19858228), (26, 10692892), (28, 9929114), (31, 8968232), (52, 5346446), (56, 4964557), (62, 4484116), (91, 3055112), (97, 2866136), (104, 2673223), (124, 2242058), (127, 2189096), (182, 1527556), (194, 1433068), (217, 1281176), (248, 1121029), (254, 1094548), (364, 763778), (388, 716534), (403, 689864), (434, 640588), (508, 547274), (679, 409448), (728, 381889), (776, 358267), (806, 344932), (868, 320294), (889, 312728), (1016, 273637), (1261, 220472), (1358, 204724), (1612, 172466), (1651, 168392), (1736, 160147), (1778, 156364), (2522, 110236), (2716, 102362), (2821, 98552), (3007, 92456), (3224, 86233), (3302, 84196), (3556, 78182), (3937, 70616), (5044, 55118), (5432, 51181), (5642, 49276), (6014, 46228), (6604, 42098), (7112, 39091), (7874, 35308), (8827, 31496), (10088, 27559), (11284, 24638), (11557, 24056), (12028, 23114), (12319, 22568), (13208, 21049), (15748, 17654)]