721212072

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{44257}}^1$

素因数の和:44370

約数の個数: 64

約数和(自身を含む): 2081896320

約数和(自身を除く): 1360684248

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 97, 168, 194, 291, 388, 582, 679, 776, 1164, 1358, 2037, 2328, 2716, 4074, 5432, 8148, 16296, 44257, 88514, 132771, 177028, 265542, 309799, 354056, 531084, 619598, 929397, 1062168, 1239196, 1858794, 2478392, 3717588, 4292929, 7435176, 8585858, 12878787, 17171716, 25757574, 30050503, 34343432, 51515148, 60101006, 90151509, 103030296, 120202012, 180303018, 240404024, 360606036, 721212072]

約数ペア:

[(1, 721212072), (2, 360606036), (3, 240404024), (4, 180303018), (6, 120202012), (7, 103030296), (8, 90151509), (12, 60101006), (14, 51515148), (21, 34343432), (24, 30050503), (28, 25757574), (42, 17171716), (56, 12878787), (84, 8585858), (97, 7435176), (168, 4292929), (194, 3717588), (291, 2478392), (388, 1858794), (582, 1239196), (679, 1062168), (776, 929397), (1164, 619598), (1358, 531084), (2037, 354056), (2328, 309799), (2716, 265542), (4074, 177028), (5432, 132771), (8148, 88514), (16296, 44257)]