78585568

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:515

約数の個数: 48

約数和(自身を含む): 158989824

約数和(自身を除く): 80404256

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 127, 244, 254, 317, 488, 508, 634, 976, 1016, 1268, 1952, 2032, 2536, 4064, 5072, 7747, 10144, 15494, 19337, 30988, 38674, 40259, 61976, 77348, 80518, 123952, 154696, 161036, 247904, 309392, 322072, 618784, 644144, 1288288, 2455799, 4911598, 9823196, 19646392, 39292784, 78585568]

約数ペア:

[(1, 78585568), (2, 39292784), (4, 19646392), (8, 9823196), (16, 4911598), (32, 2455799), (61, 1288288), (122, 644144), (127, 618784), (244, 322072), (254, 309392), (317, 247904), (488, 161036), (508, 154696), (634, 123952), (976, 80518), (1016, 77348), (1268, 61976), (1952, 40259), (2032, 38674), (2536, 30988), (4064, 19337), (5072, 15494), (7747, 10144)]