257674258

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{22937}}^1$

素因数の和:23117

約数の個数: 16

約数和(自身を含む): 398845944

約数和(自身を除く): 141171686

約数列:

[1, 2, 41, 82, 137, 274, 5617, 11234, 22937, 45874, 940417, 1880834, 3142369, 6284738, 128837129, 257674258]

約数ペア:

[(1, 257674258), (2, 128837129), (41, 6284738), (82, 3142369), (137, 1880834), (274, 940417), (5617, 45874), (11234, 22937)]