261504684

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{8171}}^1$

素因数の和:8315

約数の個数: 72

約数和(自身を含む): 761499648

約数和(自身を除く): 499994964

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 127, 252, 254, 381, 508, 762, 889, 1143, 1524, 1778, 2286, 2667, 3556, 4572, 5334, 8001, 8171, 10668, 16002, 16342, 24513, 32004, 32684, 49026, 57197, 73539, 98052, 114394, 147078, 171591, 228788, 294156, 343182, 514773, 686364, 1029546, 1037717, 2059092, 2075434, 3113151, 4150868, 6226302, 7264019, 9339453, 12452604, 14528038, 18678906, 21792057, 29056076, 37357812, 43584114, 65376171, 87168228, 130752342, 261504684]

約数ペア:

[(1, 261504684), (2, 130752342), (3, 87168228), (4, 65376171), (6, 43584114), (7, 37357812), (9, 29056076), (12, 21792057), (14, 18678906), (18, 14528038), (21, 12452604), (28, 9339453), (36, 7264019), (42, 6226302), (63, 4150868), (84, 3113151), (126, 2075434), (127, 2059092), (252, 1037717), (254, 1029546), (381, 686364), (508, 514773), (762, 343182), (889, 294156), (1143, 228788), (1524, 171591), (1778, 147078), (2286, 114394), (2667, 98052), (3556, 73539), (4572, 57197), (5334, 49026), (8001, 32684), (8171, 32004), (10668, 24513), (16002, 16342)]