278038488

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2087}}^1$

素因数の和:2177

約数の個数: 128

約数和(自身を含む): 869944320

約数和(自身を除く): 591905832

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 61, 78, 84, 91, 104, 122, 156, 168, 182, 183, 244, 273, 312, 364, 366, 427, 488, 546, 728, 732, 793, 854, 1092, 1281, 1464, 1586, 1708, 2087, 2184, 2379, 2562, 3172, 3416, 4174, 4758, 5124, 5551, 6261, 6344, 8348, 9516, 10248, 11102, 12522, 14609, 16653, 16696, 19032, 22204, 25044, 27131, 29218, 33306, 43827, 44408, 50088, 54262, 58436, 66612, 81393, 87654, 108524, 116872, 127307, 133224, 162786, 175308, 189917, 217048, 254614, 325572, 350616, 379834, 381921, 509228, 569751, 651144, 759668, 763842, 891149, 1018456, 1139502, 1519336, 1527684, 1654991, 1782298, 2279004, 2673447, 3055368, 3309982, 3564596, 4558008, 4964973, 5346894, 6619964, 7129192, 9929946, 10693788, 11584937, 13239928, 19859892, 21387576, 23169874, 34754811, 39719784, 46339748, 69509622, 92679496, 139019244, 278038488]

約数ペア:

[(1, 278038488), (2, 139019244), (3, 92679496), (4, 69509622), (6, 46339748), (7, 39719784), (8, 34754811), (12, 23169874), (13, 21387576), (14, 19859892), (21, 13239928), (24, 11584937), (26, 10693788), (28, 9929946), (39, 7129192), (42, 6619964), (52, 5346894), (56, 4964973), (61, 4558008), (78, 3564596), (84, 3309982), (91, 3055368), (104, 2673447), (122, 2279004), (156, 1782298), (168, 1654991), (182, 1527684), (183, 1519336), (244, 1139502), (273, 1018456), (312, 891149), (364, 763842), (366, 759668), (427, 651144), (488, 569751), (546, 509228), (728, 381921), (732, 379834), (793, 350616), (854, 325572), (1092, 254614), (1281, 217048), (1464, 189917), (1586, 175308), (1708, 162786), (2087, 133224), (2184, 127307), (2379, 116872), (2562, 108524), (3172, 87654), (3416, 81393), (4174, 66612), (4758, 58436), (5124, 54262), (5551, 50088), (6261, 44408), (6344, 43827), (8348, 33306), (9516, 29218), (10248, 27131), (11102, 25044), (12522, 22204), (14609, 19032), (16653, 16696)]