1277772678

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3881}}^1$

素因数の和:3979

約数の個数: 128

約数和(自身を含む): 3547837440

約数和(自身を除く): 2270064762

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 67, 78, 91, 117, 126, 134, 182, 189, 201, 234, 273, 351, 378, 402, 469, 546, 603, 702, 819, 871, 938, 1206, 1407, 1638, 1742, 1809, 2457, 2613, 2814, 3618, 3881, 4221, 4914, 5226, 6097, 7762, 7839, 8442, 11643, 12194, 12663, 15678, 18291, 23286, 23517, 25326, 27167, 34929, 36582, 47034, 50453, 54334, 54873, 69858, 81501, 100906, 104787, 109746, 151359, 163002, 164619, 209574, 244503, 260027, 302718, 329238, 353171, 454077, 489006, 520054, 706342, 733509, 780081, 908154, 1059513, 1362231, 1467018, 1560162, 1820189, 2119026, 2340243, 2724462, 3178539, 3380351, 3640378, 4680486, 5460567, 6357078, 6760702, 7020729, 9535617, 10141053, 10921134, 14041458, 16381701, 19071234, 20282106, 23662457, 30423159, 32763402, 47324914, 49145103, 60846318, 70987371, 91269477, 98290206, 141974742, 182538954, 212962113, 425924226, 638886339, 1277772678]

約数ペア:

[(1, 1277772678), (2, 638886339), (3, 425924226), (6, 212962113), (7, 182538954), (9, 141974742), (13, 98290206), (14, 91269477), (18, 70987371), (21, 60846318), (26, 49145103), (27, 47324914), (39, 32763402), (42, 30423159), (54, 23662457), (63, 20282106), (67, 19071234), (78, 16381701), (91, 14041458), (117, 10921134), (126, 10141053), (134, 9535617), (182, 7020729), (189, 6760702), (201, 6357078), (234, 5460567), (273, 4680486), (351, 3640378), (378, 3380351), (402, 3178539), (469, 2724462), (546, 2340243), (603, 2119026), (702, 1820189), (819, 1560162), (871, 1467018), (938, 1362231), (1206, 1059513), (1407, 908154), (1638, 780081), (1742, 733509), (1809, 706342), (2457, 520054), (2613, 489006), (2814, 454077), (3618, 353171), (3881, 329238), (4221, 302718), (4914, 260027), (5226, 244503), (6097, 209574), (7762, 164619), (7839, 163002), (8442, 151359), (11643, 109746), (12194, 104787), (12663, 100906), (15678, 81501), (18291, 69858), (23286, 54873), (23517, 54334), (25326, 50453), (27167, 47034), (34929, 36582)]