68281072

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{104087}}^1$

素因数の和:104136

約数の個数: 20

約数和(自身を含む): 135522576

約数和(自身を除く): 67241504

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 104087, 208174, 416348, 832696, 1665392, 4267567, 8535134, 17070268, 34140536, 68281072]

約数ペア:

[(1, 68281072), (2, 34140536), (4, 17070268), (8, 8535134), (16, 4267567), (41, 1665392), (82, 832696), (164, 416348), (328, 208174), (656, 104087)]