25949018

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{1997}}^1$

素因数の和:2161

約数の個数: 16

約数和(自身を含む): 39920040

約数和(自身を除く): 13971022

約数列:

[1, 2, 73, 89, 146, 178, 1997, 3994, 6497, 12994, 145781, 177733, 291562, 355466, 12974509, 25949018]

約数ペア:

[(1, 25949018), (2, 12974509), (73, 355466), (89, 291562), (146, 177733), (178, 145781), (1997, 12994), (3994, 6497)]