256225906

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{673}}^1$

素因数の和:970

約数の個数: 32

約数和(自身を含む): 416370240

約数和(自身を除く): 160144334

約数列:

[1, 2, 19, 38, 43, 86, 233, 466, 673, 817, 1346, 1634, 4427, 8854, 10019, 12787, 20038, 25574, 28939, 57878, 156809, 190361, 313618, 380722, 549841, 1099682, 2979371, 5958742, 6742787, 13485574, 128112953, 256225906]

約数ペア:

[(1, 256225906), (2, 128112953), (19, 13485574), (38, 6742787), (43, 5958742), (86, 2979371), (233, 1099682), (466, 549841), (673, 380722), (817, 313618), (1346, 190361), (1634, 156809), (4427, 57878), (8854, 28939), (10019, 25574), (12787, 20038)]