311901296

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:790

約数の個数: 80

約数和(自身を含む): 712954368

約数和(自身を除く): 401053072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 71, 112, 122, 142, 244, 284, 427, 488, 497, 568, 643, 854, 976, 994, 1136, 1286, 1708, 1988, 2572, 3416, 3976, 4331, 4501, 5144, 6832, 7952, 8662, 9002, 10288, 17324, 18004, 30317, 34648, 36008, 39223, 45653, 60634, 69296, 72016, 78446, 91306, 121268, 156892, 182612, 242536, 274561, 313784, 319571, 365224, 485072, 549122, 627568, 639142, 730448, 1098244, 1278284, 2196488, 2556568, 2784833, 4392976, 5113136, 5569666, 11139332, 19493831, 22278664, 38987662, 44557328, 77975324, 155950648, 311901296]

約数ペア:

[(1, 311901296), (2, 155950648), (4, 77975324), (7, 44557328), (8, 38987662), (14, 22278664), (16, 19493831), (28, 11139332), (56, 5569666), (61, 5113136), (71, 4392976), (112, 2784833), (122, 2556568), (142, 2196488), (244, 1278284), (284, 1098244), (427, 730448), (488, 639142), (497, 627568), (568, 549122), (643, 485072), (854, 365224), (976, 319571), (994, 313784), (1136, 274561), (1286, 242536), (1708, 182612), (1988, 156892), (2572, 121268), (3416, 91306), (3976, 78446), (4331, 72016), (4501, 69296), (5144, 60634), (6832, 45653), (7952, 39223), (8662, 36008), (9002, 34648), (10288, 30317), (17324, 18004)]