201219128

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{2143}}^1$

素因数の和:2268

約数の個数: 48

約数和(自身を含む): 419173440

約数和(自身を除く): 217954312

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 97, 121, 194, 242, 388, 484, 776, 968, 1067, 2134, 2143, 4268, 4286, 8536, 8572, 11737, 17144, 23474, 23573, 46948, 47146, 93896, 94292, 188584, 207871, 259303, 415742, 518606, 831484, 1037212, 1662968, 2074424, 2286581, 4573162, 9146324, 18292648, 25152391, 50304782, 100609564, 201219128]

約数ペア:

[(1, 201219128), (2, 100609564), (4, 50304782), (8, 25152391), (11, 18292648), (22, 9146324), (44, 4573162), (88, 2286581), (97, 2074424), (121, 1662968), (194, 1037212), (242, 831484), (388, 518606), (484, 415742), (776, 259303), (968, 207871), (1067, 188584), (2134, 94292), (2143, 93896), (4268, 47146), (4286, 46948), (8536, 23573), (8572, 23474), (11737, 17144)]