128694016

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1987}}^1$

素因数の和:2037

約数の個数: 72

約数和(自身を含む): 292569984

約数和(自身を除く): 163875968

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 64, 88, 92, 128, 176, 184, 253, 256, 352, 368, 506, 704, 736, 1012, 1408, 1472, 1987, 2024, 2816, 2944, 3974, 4048, 5888, 7948, 8096, 15896, 16192, 21857, 31792, 32384, 43714, 45701, 63584, 64768, 87428, 91402, 127168, 174856, 182804, 254336, 349712, 365608, 502711, 508672, 699424, 731216, 1005422, 1398848, 1462432, 2010844, 2797696, 2924864, 4021688, 5595392, 5849728, 8043376, 11699456, 16086752, 32173504, 64347008, 128694016]

約数ペア:

[(1, 128694016), (2, 64347008), (4, 32173504), (8, 16086752), (11, 11699456), (16, 8043376), (22, 5849728), (23, 5595392), (32, 4021688), (44, 2924864), (46, 2797696), (64, 2010844), (88, 1462432), (92, 1398848), (128, 1005422), (176, 731216), (184, 699424), (253, 508672), (256, 502711), (352, 365608), (368, 349712), (506, 254336), (704, 182804), (736, 174856), (1012, 127168), (1408, 91402), (1472, 87428), (1987, 64768), (2024, 63584), (2816, 45701), (2944, 43714), (3974, 32384), (4048, 31792), (5888, 21857), (7948, 16192), (8096, 15896)]