81716292

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3343}}^1$

素因数の和:3457

約数の個数: 72

約数和(自身を含む): 238574336

約数和(自身を除く): 156858044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 97, 126, 194, 252, 291, 388, 582, 679, 873, 1164, 1358, 1746, 2037, 2716, 3343, 3492, 4074, 6111, 6686, 8148, 10029, 12222, 13372, 20058, 23401, 24444, 30087, 40116, 46802, 60174, 70203, 93604, 120348, 140406, 210609, 280812, 324271, 421218, 648542, 842436, 972813, 1297084, 1945626, 2269897, 2918439, 3891252, 4539794, 5836878, 6809691, 9079588, 11673756, 13619382, 20429073, 27238764, 40858146, 81716292]

約数ペア:

[(1, 81716292), (2, 40858146), (3, 27238764), (4, 20429073), (6, 13619382), (7, 11673756), (9, 9079588), (12, 6809691), (14, 5836878), (18, 4539794), (21, 3891252), (28, 2918439), (36, 2269897), (42, 1945626), (63, 1297084), (84, 972813), (97, 842436), (126, 648542), (194, 421218), (252, 324271), (291, 280812), (388, 210609), (582, 140406), (679, 120348), (873, 93604), (1164, 70203), (1358, 60174), (1746, 46802), (2037, 40116), (2716, 30087), (3343, 24444), (3492, 23401), (4074, 20058), (6111, 13372), (6686, 12222), (8148, 10029)]