311682728

素因数分解:

$2^3\times 7^3\times {\mathrm{97}}^1\times {\mathrm{1171}}^1$

素因数の和:1295

約数の個数: 64

約数和(自身を含む): 689136000

約数和(自身を除く): 377453272

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 97, 98, 194, 196, 343, 388, 392, 679, 686, 776, 1171, 1358, 1372, 2342, 2716, 2744, 4684, 4753, 5432, 8197, 9368, 9506, 16394, 19012, 32788, 33271, 38024, 57379, 65576, 66542, 113587, 114758, 133084, 227174, 229516, 266168, 401653, 454348, 459032, 795109, 803306, 908696, 1590218, 1606612, 3180436, 3213224, 5565763, 6360872, 11131526, 22263052, 38960341, 44526104, 77920682, 155841364, 311682728]

約数ペア:

[(1, 311682728), (2, 155841364), (4, 77920682), (7, 44526104), (8, 38960341), (14, 22263052), (28, 11131526), (49, 6360872), (56, 5565763), (97, 3213224), (98, 3180436), (194, 1606612), (196, 1590218), (343, 908696), (388, 803306), (392, 795109), (679, 459032), (686, 454348), (776, 401653), (1171, 266168), (1358, 229516), (1372, 227174), (2342, 133084), (2716, 114758), (2744, 113587), (4684, 66542), (4753, 65576), (5432, 57379), (8197, 38024), (9368, 33271), (9506, 32788), (16394, 19012)]