128049782

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{72019}}^1$

素因数の和:72155

約数の個数: 16

約数和(自身を含む): 221245440

約数和(自身を除く): 93195658

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 72019, 144038, 504133, 1008266, 9146413, 18292826, 64024891, 128049782]

約数ペア:

[(1, 128049782), (2, 64024891), (7, 18292826), (14, 9146413), (127, 1008266), (254, 504133), (889, 144038), (1778, 72019)]