1977987312

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{280327}}^1$

素因数の和:280355

約数の個数: 90

約数和(自身を含む): 6439414488

約数和(自身を除く): 4461427176

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 504, 588, 784, 882, 1008, 1176, 1764, 2352, 3528, 7056, 280327, 560654, 840981, 1121308, 1681962, 1962289, 2242616, 2522943, 3363924, 3924578, 4485232, 5045886, 5886867, 6727848, 7849156, 10091772, 11773734, 13455696, 13736023, 15698312, 17660601, 20183544, 23547468, 27472046, 31396624, 35321202, 40367088, 41208069, 47094936, 54944092, 70642404, 82416138, 94189872, 109888184, 123624207, 141284808, 164832276, 219776368, 247248414, 282569616, 329664552, 494496828, 659329104, 988993656, 1977987312]

約数ペア:

[(1, 1977987312), (2, 988993656), (3, 659329104), (4, 494496828), (6, 329664552), (7, 282569616), (8, 247248414), (9, 219776368), (12, 164832276), (14, 141284808), (16, 123624207), (18, 109888184), (21, 94189872), (24, 82416138), (28, 70642404), (36, 54944092), (42, 47094936), (48, 41208069), (49, 40367088), (56, 35321202), (63, 31396624), (72, 27472046), (84, 23547468), (98, 20183544), (112, 17660601), (126, 15698312), (144, 13736023), (147, 13455696), (168, 11773734), (196, 10091772), (252, 7849156), (294, 6727848), (336, 5886867), (392, 5045886), (441, 4485232), (504, 3924578), (588, 3363924), (784, 2522943), (882, 2242616), (1008, 1962289), (1176, 1681962), (1764, 1121308), (2352, 840981), (3528, 560654), (7056, 280327)]