68689664

素因数分解:

$2^8\times {\mathrm{251}}^1\times {\mathrm{1069}}^1$

素因数の和:1336

約数の個数: 36

約数和(自身を含む): 137786040

約数和(自身を除く): 69096376

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 251, 256, 502, 1004, 1069, 2008, 2138, 4016, 4276, 8032, 8552, 16064, 17104, 32128, 34208, 64256, 68416, 136832, 268319, 273664, 536638, 1073276, 2146552, 4293104, 8586208, 17172416, 34344832, 68689664]

約数ペア:

[(1, 68689664), (2, 34344832), (4, 17172416), (8, 8586208), (16, 4293104), (32, 2146552), (64, 1073276), (128, 536638), (251, 273664), (256, 268319), (502, 136832), (1004, 68416), (1069, 64256), (2008, 34208), (2138, 32128), (4016, 17104), (4276, 16064), (8032, 8552)]