26981168

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{25169}}^1$

素因数の和:25244

約数の個数: 20

約数和(自身を含む): 53058360

約数和(自身を除く): 26077192

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 25169, 50338, 100676, 201352, 402704, 1686323, 3372646, 6745292, 13490584, 26981168]

約数ペア:

[(1, 26981168), (2, 13490584), (4, 6745292), (8, 3372646), (16, 1686323), (67, 402704), (134, 201352), (268, 100676), (536, 50338), (1072, 25169)]