256875012

素因数分解:

$2^2\times 3^2\times {\mathrm{97}}^1\times {\mathrm{73561}}^1$

素因数の和:73668

約数の個数: 36

約数和(自身を含む): 656025916

約数和(自身を除く): 399150904

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 97, 194, 291, 388, 582, 873, 1164, 1746, 3492, 73561, 147122, 220683, 294244, 441366, 662049, 882732, 1324098, 2648196, 7135417, 14270834, 21406251, 28541668, 42812502, 64218753, 85625004, 128437506, 256875012]

約数ペア:

[(1, 256875012), (2, 128437506), (3, 85625004), (4, 64218753), (6, 42812502), (9, 28541668), (12, 21406251), (18, 14270834), (36, 7135417), (97, 2648196), (194, 1324098), (291, 882732), (388, 662049), (582, 441366), (873, 294244), (1164, 220683), (1746, 147122), (3492, 73561)]