128603912

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{6803}}^1$

素因数の和:6965

約数の個数: 32

約数和(自身を含む): 257191200

約数和(自身を除く): 128587288

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 139, 278, 556, 1112, 2363, 4726, 6803, 9452, 13606, 18904, 27212, 54424, 115651, 231302, 462604, 925208, 945617, 1891234, 3782468, 7564936, 16075489, 32150978, 64301956, 128603912]

約数ペア:

[(1, 128603912), (2, 64301956), (4, 32150978), (8, 16075489), (17, 7564936), (34, 3782468), (68, 1891234), (136, 945617), (139, 925208), (278, 462604), (556, 231302), (1112, 115651), (2363, 54424), (4726, 27212), (6803, 18904), (9452, 13606)]