311253152

素因数分解:

$2^5\times 7^1\times {\mathrm{643}}^1\times {\mathrm{2161}}^1$

素因数の和:2821

約数の個数: 48

約数和(自身を含む): 701733312

約数和(自身を除く): 390480160

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 643, 1286, 2161, 2572, 4322, 4501, 5144, 8644, 9002, 10288, 15127, 17288, 18004, 20576, 30254, 34576, 36008, 60508, 69152, 72016, 121016, 144032, 242032, 484064, 1389523, 2779046, 5558092, 9726661, 11116184, 19453322, 22232368, 38906644, 44464736, 77813288, 155626576, 311253152]

約数ペア:

[(1, 311253152), (2, 155626576), (4, 77813288), (7, 44464736), (8, 38906644), (14, 22232368), (16, 19453322), (28, 11116184), (32, 9726661), (56, 5558092), (112, 2779046), (224, 1389523), (643, 484064), (1286, 242032), (2161, 144032), (2572, 121016), (4322, 72016), (4501, 69152), (5144, 60508), (8644, 36008), (9002, 34576), (10288, 30254), (15127, 20576), (17288, 18004)]